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09:2709:27, 2 December 2025 Fracture Mechanics (hist | edit) [15,213 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchmechanik}} {{PSM_Infobox}} Fracture mechanics __FORCETOC__ ==Linear-elastic fracture mechanics== Fracture mechanics assumes that the fracture of a component and thus of the material occurs as a result of the propagation of cracks. It investigates the conditions for Crack Propagation|crack propaga...")
09:2709:27, 2 December 2025 Fracture Mechanical Testing (hist | edit) [3,921 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchmechanische Prüfung}} {{PSM_Infobox}} Fracture mechanical testing __FORCETOC__ ==General information== Different experimental methods can be used to determine fracture mechanics parameters for plastics and elastomers. The loading speed or the type of loading ( stress) is of great importance here, whic...")
09:2609:26, 2 December 2025 Fracture Behaviour of Plastics Components (hist | edit) [2,640 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchverhalten von Kunststoffbauteilen}} {{PSM_Infobox}} Fracture behaviour of plastic components __FORCETOC__ When used as construction materials for plastic components, plastics are generally regarded as materials with particularly high ductility. However, it can be deduced from the large number of cases of damage th...")
09:2409:24, 2 December 2025 Fracture Behaviour (hist | edit) [6,411 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchverhalten}} {{PSM_Infobox}} Fracture behaviour, plastics __FORCETOC__ ==General information== Depending on the type and stress conditions, polymer materials (see also: plastics) exhibit very different behaviour at break. Some semi-crystalline polymers such as polyamide (abbreviation: PA), polyethylene (...")
09:2309:23, 2 December 2025 Fractography (hist | edit) [7,810 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Fraktographie}} {{PSM_Infobox}} Fractography __FORCETOC__ ==Definition of terms== The term fractography refers to the visual, macroscopic and microscopic analysis of the fracture surfaces of broken components and parts as well as test specimens. This examination method for defining the causes of fracture (see: Fracture Formati...")
09:2309:23, 2 December 2025 Fracture (hist | edit) [3,047 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruch}} {{PSM_Infobox}} Fracture __FORCETOC__ ==The fracture of plastics== Fracture is the most dangerous cause of failure on the material side. The term "fracture" refers to the macroscopic separation of the material leading to the loss of the load-bearing capacity of the body. In the case of plastics, material separation occurs through the brea...")
09:2009:20, 2 December 2025 Flexural Modulus (hist | edit) [16,200 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Biegemodul}} {{PSM_Infobox}} Flexural modulus __FORCETOC__ ==Determination methods== The flexural modulus ''E''f is usually determined in a three-point or four-point bending test under quasi-static loading [1–3] on plastics or S...")
09:1909:19, 2 December 2025 Fibre-reinforced Plastics Fracture Model (hist | edit) [10,791 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchmodell faserverstärkte Kunststoffe}} {{PSM_Infobox}} Fibre-reinforced plastics fracture model __FORCETOC__ ==Models for describing the mechanical deformation and crack propagation behaviour of fibre-reinforced plastics [1]== Theoretical models for calculating the mechanical behaviour of composite materials based on the properties of the component...")
09:1809:18, 2 December 2025 Fibre-reinforced Plastics (hist | edit) [11,638 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Faserverstärkte Kunststoffe}} {{PSM_Infobox}} Fibre-reinforced plastics __FORCETOC__ ==Classification of fibre-reinforced plastics== The term ‘fibre-reinforced plastics’ (FRP) or ‘fibre-plastic composites’ is a synonym for an extremely heterogeneous group of materials, which is characterised by the type of fibre reinforcement and the fibre volume f...")
09:1709:17, 2 December 2025 Fatigue Crack Propagation Elastomers (hist | edit) [13,223 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Ermüdungsrissausbreitung Elastomere}} {{PSM_Infobox}} Fatigue crack propagation elastomers or crack growth curves elastomers __FORCETOC__ ==Measurement and testing requirements== The development and use of cyclic (dynamic) testing methods for elastomers is closely linked to the development of ‘Tear and Fatigue Analyses (TFA)’ by Bayer in collaboration with the company [http://ww...")
09:1609:16, 2 December 2025 Fatigue Strength (hist | edit) [5,601 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=eng|ARTIKEL=Dauerfestigkeit}} {{PSM_Infobox}} Fatigue strength or continuous fatigue strength __FORCETOC__ ==Determination of fatigue strength== The aim of a vibration test or fatigue test is to determine the vibration strength, or fatigue strength ''σ''D for short. ''σ''D characterises the maximum stress amplitude ''σ''a that a...")

11:2811:28, 1 December 2025 Error Limit (hist | edit) [1,466 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Fehlergrenze}} {{PSM_Infobox}} A-Bild-Technik __FORCETOC__ ==Explanation of terms== In measurement or testing technology, error limits or limit deviations [1] are agreed or guaranteed maximum values for positive or negative deviations of the measured value display (output) of a measuring device from the correct value [2] (see also: measured value). Error limits mus...")
11:2811:28, 1 December 2025 Errors (hist | edit) [2,817 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Fehler}} {{PSM_Infobox}} Product errors __FORCETOC__ ==Product defects== An essential legal basis for materials testing is the Product Liability Act (Produkthaftungsgesetz, Gesetz über die Haftung für fehlerhafte Produkte – ProdHaftG) of 15 December 1989 (Federal Law Gazette/p. 2198). Section 3 of this Act defines the term ‘defect’ as follows: A produc...")
11:2511:25, 1 December 2025 Environmental-SEM (ESEM) (hist | edit) [6,630 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Umgebungs-REM}} {{PSM_Infobox}} Environmental-SEM (ESEM) (Author: Dr. Armin Zankel) __FORCETOC__ ==General information== The method described here has different names in both German-language and English-language literature, which is partly due to different manufacturers. The characteristic feature of this scanning electron microscope method (SEM) ('''Fig. 1''') is the significantly l...")
11:2511:25, 1 December 2025 Energy Elasticity (hist | edit) [4,617 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Energieelastizität}} {{PSM_Infobox}} Energy elasticity __FORCETOC__ ==Structural causes of energy elasticity== The structural cause of energy-elastic behaviour is the change in the average atomic distances and bond angles when mechanical stresses are applied. The mechanical work required to do this is stored in the form of potential energy (increase in internal energy) an...")
11:2311:23, 1 December 2025 ENF-Specimen (hist | edit) [5,127 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=ENF-Prüfkörper}} {{PSM_Infobox}} ENF specimen __FORCETOC__ ==General== The Anglo-Saxon abbreviation ENF stands for "End-Notched Flexure". The ENF test specimen is used to determine the interlaminar fracture toughness of mode II loading. A critical energy release rate in plane strain is determined as a fracture mechanical parameter....")
11:2211:22, 1 December 2025 Electronic Instrumentation (hist | edit) [7,951 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Instrumentierung}} {{PSM_Infobox}} Instrumentation __FORCETOC__ ==Registration of load (force) and deflection (displacement)== Instrumentation refers to the equipping of frequently non-instrumented testing equipment in materials testing, such as pendulum impact testers and hardness testing systems, with load (force) an...")
11:1911:19, 1 December 2025 Electrical Strength (hist | edit) [8,854 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Elektrische Durchschlagfestigkeit}} {{PSM_Infobox}} Electrical strength, Electrical breakdown strength or Electrical breakdown resistance __FORCETOC__ ==General principles and definition== Electrical strength is the electric field strength at which the conductivity of an insulator increases by several orders of magnitude. A polymeric insulation material cannot withstand the influenc...")
11:0211:02, 1 December 2025 Elastomer Dispersion Filler (hist | edit) [4,136 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Elastomere Dispersion Füllstoffe}} {{PSM_Infobox}} Elastomers Dispersion Filler __FORCETOC__ ==Types of interaction between fillers and matrix== The mechanical properties of filled elastomers are decisively influenced by the dispersion of the fillers (carbon black, silica, etc.), which must therefore be analyzed in detail [1]. The filler distribution in elastomer mate...")
11:0211:02, 1 December 2025 Elastomers (hist | edit) [4,228 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Elastomere}} {{PSM_Infobox}} Elastomers __FORCETOC__ ==Composition of elastomers== Elastomers are incompressible, cross-linked polymer materials that solidify like glass below their glass transition temperature, which is usually well below 0 °C, do not flow viscously even at high temperatures and are elastically deformable in the range between their...")
09:3909:39, 1 December 2025 Elastic Modulus (hist | edit) [19,974 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Elastizitätsmodul}} {{PSM_Infobox}} Elastic modulus __FORCETOC__ ==Introduction== In addition to the Poisson's ratio, the modulus of elasticity (modulus ''E'') is also an important parameter for describing the energy-elastic properties (see: energy elasticity) of plastics. The short-term moduli ''E''t...")
09:3809:38, 1 December 2025 Elasticity (hist | edit) [3,164 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Elastizität}} {{PSM_Infobox}} Elasticity plastics __FORCETOC__ ==Types of deformation== Under certain conditions, most materials, or rather the moulded bodies made from them, exhibit elastic behaviour, i.e. they expand under load and then contract again when the load is removed. file:Elasticity_1.jpg {| |- valign="top" |width="50px"|'''Fig. 1''': |width="600px" |Deformation b...")
09:3709:37, 1 December 2025 Ehrenstein, Gottfried W. (hist | edit) [6,736 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Ehrenstein, Gottfried W.}} {{PSM_Infobox}} Ehrenstein, Gottfried W. __FORCETOC__ File:Ehrenstein-1.jpg {| |- valign="top" |width="50px"|'''Photo''': |width="600px"|Prof. Dr.-Ing. habil. Dr. h. c. Gottfried W. Ehrenstein, 14. Oktober 2008, Awarded honorary membership of the ‘Akademie Mitteldeutsche Kunststoffinnovationen' |} Prof. Dr. Gottfried W. Ehrenstein (1937 – 2021), bo...")
09:3609:36, 1 December 2025 Effective Crack Length (hist | edit) [3,110 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Effektive Risslänge}} {{PSM_Infobox}} Effective crack length __FORCETOC__ ==The environment of the crack tip== In the case of macroscopically brittle fracture behaviour, plastic deformation often occurs due to stress concentration in front of the crack tip, i.e. the formation of a Plastic Zone|plastic zon...")
08:5508:55, 1 December 2025 Ductility Plastics (hist | edit) [8,915 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Duktilität}} {{PSM_Infobox}} Ductility plastics __FORCETOC__ ==General== In the field of solids, the terms strength, toughness, viscosity, as well as brittleness and ductility are used for property evaluation [1]. In the literature, ductile and toughness material behaviour are often used synonymously without a...")
08:5308:53, 1 December 2025 D-Scan Technique (hist | edit) [6,392 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=D-Bild-Technik}} {{PSM_Infobox}} D-scan technique __FORCETOC__ ==General information== The D-scan is an ultrasound testing and evaluation method for two-dimensional imaging of the acoustic properties of the surfaces of test specimens. The D-scan, which is usually generated together with the C-scan, is co...")
08:5108:51, 1 December 2025 Differential Scanning Calorimetry (DSC) (hist | edit) [14,721 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Differential Scanning Calorimetry}} {{PSM_Infobox}} Differential scanning calorimetry __FORCETOC__ ==Fundamentals of the DSC method== Dynamic differential scanning calorimetry (DSC) is a testing method frequently used in plastics analysis to measure the thermal energy of a sample during heating (see also: thermal conductivity), cooling, or isothermal storage...")
08:5008:50, 1 December 2025 Dielectric Properties (hist | edit) [6,992 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Dielektrische Eigenschaften}} {{PSM_Infobox}} Dielectric properties and dielectric loss factor __FORCETOC__ ==Physical fundamentals== Most amorphous and semi-crystalline plastics used in technical applications are electrical insulators, which is why they are often used for cable sheathing, housings or in capacitors. Their electrical or dielectric properties are largely d...")
08:4708:47, 1 December 2025 Dielectric Loss Factor (hist | edit) [5,760 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Dielektrischer Verlustfaktor}} {{PSM_Infobox}} Dielectiric loss factor __FORCETOC__ ==Fundamentals== An electric field exerts forces on a plastic (dielectric) that influence the molecular electrostatics and lead to a charge shift between adjacent potential surfaces. This is associated with a polarisation of the dielectric, which is an essential property of the Plastics|plastic mate...")
08:4608:46, 1 December 2025 Density (hist | edit) [16,665 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Dichte}} {{PSM_Infobox}} Density __FORCETOC__ ==General information== To determine the density, the mass and the volume must generally be determined. The density ''ρ'' of a homogeneous body is defined as the ratio of the mass ''m'' to the total volume ''V'', i.e. {| |- |width="20px"| |width="500px" | <math>\rho\,=\, \frac{m}{V}</math> |} where ''V'' is the volume of the total amou...")
08:4508:45, 1 December 2025 Degree of Cross-Linking Elastomers (hist | edit) [9,069 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Vernetzungsgrad Elastomere}} {{PSM_Infobox}} Degree of cross-linking elastomers __FORCETOC__ ==General information== The properties of elastomers are determined by the cross-linking density and the chemical structure of the cross-links [1]. The crosslinking density depends on the crosslinking system, the concentration of the reaction partners, the vulcanization time (see Vulcanizat...")
08:4408:44, 1 December 2025 Deformation (hist | edit) [10,870 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Deformation}} {{PSM_Infobox}} Deformation __FORCETOC__ ==Anisotropic deformation== In many plastics, the relationship between stress and strain is nonlinear even at small deformations ('''Fig. 1a'''). However, as '''Fig. 1''' shows, there is still proportionality between stress and strain. In this case, unlike most metallic materials, the requirement of linear proportion...")
08:4008:40, 1 December 2025 DCB-Specimen (hist | edit) [10,829 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=DCB-Prüfkörper}} {{PSM_Infobox}} DCB-specimen __FORCETOC__ ==Test specimen shapes== Blumenauer [1, 2] requires that the size of the plastic zone (see also: effective crack length) must be small compared to the crack length and the test specimen dimensions. '''Test procedure F = const.''' {| border="0" |file:dcb1.jpg | {| border=0 |-va...")
08:2908:29, 1 December 2025 Curing (hist | edit) [12,306 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Aushärtung}} {{PSM_Infobox}} Curing __FORCETOC__ ==Definition== The term curing or hardening is used for metallic materials, building materials such as concrete and also for plastics, especially reactive resins, paints and adhesives (see also: Adhesive Joints – Determination of Characteristic Values|adhesive joints – determination of chara...")
08:2608:26, 1 December 2025 C-Scan Technique (hist | edit) [6,356 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=C-Bild-Technik}} {{PSM_Infobox}} C-scan technique __FORCETOC__ ==General information== The C-scan is an ultrasonic testing and evaluation method for two-dimensional imaging of the acoustic properties of a test specimen volume. It is composed of A-scans that have been recorded using a grid of equidistant measuring points. A colour or gray v...")
08:2608:26, 1 December 2025 Crystallinity (hist | edit) [8,168 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kristallinität}} {{PSM_Infobox}} Crystallinity __FORCETOC__ ==Fundamentals== Crystallinity ''X''c (in %), also referred to as degree of crystallinity or degree of crystallisation, is a material property that is particularly important in thermoplastic polymer materials (thermoplastics)...")
08:2508:25, 1 December 2025 Crosshead Speed (hist | edit) [2,741 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Traversengeschwindigkeit}} {{PSM_Infobox}} Crosshead speed __FORCETOC__ ==Fundamental Introduction== Universal testing machines (see material testing machine) usually have two mechanical supports that are used to attach load cells, fixtures and clamping fixtures. The stationary support is called the crosshead, and the support that moves up or down is th...")
08:2408:24, 1 December 2025 Crescent Specimen (hist | edit) [2,686 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Crescentprüfkörper}} {{PSM_Infobox}} Crescent specimen __FORCETOC__ ==General== For the calculation of the tear propagation resistance in the tear propagation test, trapezoidal test specimens according to DIN 53363 as well as strip-, angle- and arc-shaped test specimens according to ISO 34-1 are used for films. The term “crescent test pieces...")
08:2208:22, 1 December 2025 Creep Current Resistance (hist | edit) [3,328 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kriechstromfestigkeit}} {{PSM_Infobox}} Creep current resistance __FORCETOC__ ==Definition== Creep current resistance characterises the resistance of a plastic material to creep currents that form on the surface of this plastic. In addition to the chemical and physical structure, the creep current resistance of a plastic depends on t...")
08:1808:18, 1 December 2025 Craze-Types (hist | edit) [15,171 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Craze-Typen}} {{PSM_Infobox}} Craze-types or deformation types (Author: Prof. Dr. G. H. Michler) __FORCETOC__ ==Introduction== In contrast to a crack, a craze contains highly oriented plastically stretched material. The micromechanical formation mechanism is referred to as crazing or craze mechanism and is closely associ...")
08:1508:15, 1 December 2025 Crack Toughness (hist | edit) [5,104 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Risszähigkeit}} {{PSM_Infobox}} Crack toughness __FORCETOC__ ==Explanation of terms== In fracture mechanics, crack toughness or fracture toughness describes the resistance of a component or material to crack propagation of any kind. Cracks are undesirable material discontinuities that...")
08:1208:12, 1 December 2025 Crack Tip Opening Displacement Concept (CTOD) (hist | edit) [5,519 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Crack Tip Opening Displacement-Konzept}} {{PSM_Infobox}} Crack tip opening displacement concept (CTOD) __FORCETOC__ CTOD concept ==On the diversity of terms== The crack tip opening displacement (CTOD) concept of yield fracture mechanics was derived by Wells using the crack model according to DUGDALE [1, 2]. It is often a...")
08:1108:11, 1 December 2025 Crack Resistance Curve – Experimental Methods (hist | edit) [3,979 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Risswiderstandskurve – Experimentelle Methoden}} {{PSM_Infobox}} Crack resistance curve – Experimental methods __FORCETOC__ ==Crack resistance curve – Experimental methods== For the experimental recording of crack resistance (R) curves under dynamic (impact) loading, e.g. in the Instrumented Charpy Impact Test|Instrum...")
08:0808:08, 1 December 2025 Crack Propagation Energy (hist | edit) [9,451 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissverzögerungsenergie}} {{PSM_Infobox}} A-Bild-Technik __FORCETOC__ ==Definition and significance== The modification of plastics with the aim of improving their mechanical properties is achieved technically by using inorganic fillers such as chalk, talc and glass balls or fibres such as short glass fibre...")
08:0808:08, 1 December 2025 Crack Propagation (hist | edit) [4,118 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissausbreitung}} {{PSM_Infobox}} Crack propagation __FORCETOC__ ==General terms== Crack propagation is a physical process that occurs under certain conditions in a moulded part or component after crack initiation and can lead to macroscopic separation and fracture. Crack propagation occurs in the material when material-dependent limit values, such as the critical stress intensity fa...")
08:0708:07, 1 December 2025 Crack Opening Modes (hist | edit) [4,469 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissöffnungsmoden}} {{PSM_Infobox}} Crack opening modes __FORCETOC__ ==General information== The terms ‘crack opening modes’ and ‘crack opening types’ are used interchangeably in the literature on fracture mechanics. Fracture mechanics assumes that the fracture of a component and thus of the ...")
08:0608:06, 1 December 2025 Crack Opening (hist | edit) [1,631 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissöffnung}} {{PSM_Infobox}} Crack opening __FORCETOC__ ==Definition of crack opening== The determination at the location of the original crack tip has become the standard for defining the crack opening. For numerical calculations, the CTOD value is determined as the intersection of the crack edges with the straight line e...")
08:0308:03, 1 December 2025 Crack Model according to IRWIN and Mc CLINTOCK (hist | edit) [5,882 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissmodell nach IRWIN und Mc CLINTOCK}} {{PSM_Infobox}} Crack model to IRWIN & Mc CLINTOCK __FORCETOC__ ==Basics of the model== The application of the crack model according to GRIFFITH and the determination of the fracture toughness values based on it are linked to a purely elastic deformation of the stressed material. However, most technical...")
08:0208:02, 1 December 2025 Crack Model according to GRIFFITH (hist | edit) [6,979 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissmodell nach GRIFFITH}} {{PSM_Infobox}} GRIFFITH Crack model __FORCETOC__ ==Basics of the model== The basic concept of fracture mechanics starts from the analysis of the mechanical behaviour of a single crack in a linear elastic, homogeneous and isotropic continuum. To evaluate the stability of a body with such a macroscopic crack, a continuum mechanical c...")
08:0008:00, 1 December 2025 Crack Model according to DUGDALE (hist | edit) [2,494 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissmodell nach DUGDALE}} {{PSM_Infobox}} Crack model according to DUGDALE __FORCETOC__ ==Fundamentals of the concept== DUGDALE's crack model was derived by WELLS in 1961 and is considered the basis for the Crack tip opening displacement concept (CTOD) concept of yield fracture mechanics....")

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1 December 2025