User contributions for Oluschinski

08:0208:02, 1 December 2025 diff hist +6,979 N Crack Model according to GRIFFITH 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..." current
08:0108:01, 1 December 2025 diff hist 0 N File:Dugdale.jpg No edit summary current
08:0008:00, 1 December 2025 diff hist +2,494 N Crack Model according to DUGDALE 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...." current
07:5907:59, 1 December 2025 diff hist 0 N File:CrackModelBarenblatt3.jpg No edit summary current
07:5907:59, 1 December 2025 diff hist 0 N File:Rissmodellbarenblatt2.jpg No edit summary current
07:5907:59, 1 December 2025 diff hist 0 N File:Rissmodellbarenblatt1.jpg No edit summary current
07:5807:58, 1 December 2025 diff hist +4,941 N Crack Model according to BARENBLATT Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissmodell nach BARENBLATT}} {{PSM_Infobox}} Crack model BARENBLATT __FORCETOC__ ==Fundamentals of the model== The GRIFFTITH and IRWIN & MC CLINTOCK crack models have in common that infinitely large stresses occur at the crack tip with a very sharp notch. In order to elimin..."
07:5807:58, 1 December 2025 diff hist +2,340 N Crack Models Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissmodelle}} {{PSM_Infobox}} Crack models __FORCETOC__ '''Crack models''' ==Crack models== Blumenauer gives a brief explanation of the most commonly used crack models in [1]. Such crack models provide the basis for the basic concepts of fracture mechanics and the fracture mechanics material testing based on them, with the aim of determining fracture mechani..." current
07:5707:57, 1 December 2025 diff hist +2,051 N Crack Initiation Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissinitiierung}} {{PSM_Infobox}} Crack initiation __FORCETOC__ ==Initiation of a crack== Crack initiation is essentially the transition from a stationary crack to a moving crack. Starting from microdefects in the material volume, the resulting stress concentrations cause the fracture strength to be exceeded local..." current
07:5507:55, 1 December 2025 diff hist 0 N File:Crack Formation Fig2.jpg No edit summary current
07:5507:55, 1 December 2025 diff hist 0 N File:Bruchentstehung 1.jpg No edit summary current
07:5407:54, 1 December 2025 diff hist +5,637 N Crack Formation Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchentstehung}} {{PSM_Infobox}} Crack formation __FORCETOC__ ==The deformation energy for fracture formation== In order to explain the processes involved in fracture formation, it is useful to compare an unloaded tensile test specimen with a loaded tensile test specimen without and with a crack. 400px {| |- v..." current
07:5307:53, 1 December 2025 diff hist 0 N File:Lange risse.jpg No edit summary current
07:5307:53, 1 December 2025 diff hist 0 N File:Phys kurz riss.jpg No edit summary current
07:5307:53, 1 December 2025 diff hist 0 N File:Mechan kurz riss.jpg No edit summary current
07:5307:53, 1 December 2025 diff hist 0 N File:Mikrostr kurz riss.jpg No edit summary current
07:5207:52, 1 December 2025 diff hist +10,614 N Crack Created page with "{{Language_sel|LANG=ger|ARTIKEL=Riss}} {{PSM_Infobox}} Crack __FORCETOC__ ==General definition== A crack is a discontinuity that can be present in a material due to production-related or operational causes [1]. If it exceeds a permissible critical expansion, the crack is the most dangerous of all discontinuities, as it represents a material separation, i.e. a material area whose load-bearing capacity is no longer g..." current
07:5107:51, 1 December 2025 diff hist 0 N File:Correspondance 2.jpg No edit summary current
07:5107:51, 1 December 2025 diff hist 0 N File:Korrespondenz1.jpg No edit summary current
07:5007:50, 1 December 2025 diff hist +3,591 N Correspondence Principle Created page with "{{Language_sel|LANG=ger|ARTIKEL=Korrespondenzprinzip}} {{PSM_Infobox}} Correspondence principle __FORCETOC__ ==Classification== The correspondence principle is derived from BOLTZMANN's superposition principle. It provides the important practical statement that the solutions available from elasticity theory may be used in the Linear-viscoelastic Behaviour|linear-viscoelastic..." current
07:5007:50, 1 December 2025 diff hist +2,802 N Continuum Mechanics Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kontinuumsmechanik}} {{PSM_Infobox}} Continuum mechanics __FORCETOC__ ==Explanation of terms== In continuum mechanics, models are established to describe the mechanical and thermal behaviour of materials and are used to describe and model the mechanical behaviour of components. The material is regarded as a continuum, i.e. as a continuou..." current
07:4907:49, 1 December 2025 diff hist 0 N File:Continuous Vibration Test-4.jpg No edit summary current
07:4907:49, 1 December 2025 diff hist 0 N File:Continuous Vibration Test-3.jpg No edit summary current
07:4907:49, 1 December 2025 diff hist 0 N File:Continuous Vibration Test-2.jpg No edit summary current
07:4907:49, 1 December 2025 diff hist 0 N File:Dsv term1.jpg No edit summary current
07:4707:47, 1 December 2025 diff hist +14,712 N Continuous Vibration Test Created page with "{{Language_sel|LANG=ger|ARTIKEL=Dauerschwingversuch}} {{PSM_Infobox}} Vibration test, continuous vibration test or cyclic loading test __FORCETOC__ ==Thermal failure== The work to be applied per unit volume during a sinusoidal stress in a fatigue test consists of two components: the elastically stored work ''W''', which is recovered as mechanical work during unloading, and the loss work ''W'&ap..." current
07:4607:46, 1 December 2025 diff hist 0 N File:Compression Compliance 3.jpg No edit summary current
07:4607:46, 1 December 2025 diff hist 0 N File:Compression Compliance 2.jpg No edit summary current
07:4607:46, 1 December 2025 diff hist 0 N File:Compression Compliance 1.jpg No edit summary current
07:4507:45, 1 December 2025 diff hist +8,193 N Compression Test Compliance Created page with "{{Language_sel|LANG=ger|ARTIKEL=Druckversuch Nachgiebigkeit}} {{PSM_Infobox}} Compression test compliance __FORCETOC__ ==Factors influenced by the device system== In compression tests to determine the stress–strain behaviour of plastics, it is generally not possible to use a mechanical strain transducer (extensometer, strain gauge) to directly measure the strain on the test speci..." current
07:4407:44, 1 December 2025 diff hist 0 N File:Compression Test Arrangement3.jpg No edit summary current
07:4407:44, 1 December 2025 diff hist 0 N File:Compression Test Arrangement2.jpg No edit summary current
07:4407:44, 1 December 2025 diff hist 0 N File:Compression Test Arrangement1.jpg No edit summary current
07:4307:43, 1 December 2025 diff hist +7,569 N Compression Test Arrangement Created page with "{{Language_sel|LANG=ger|ARTIKEL=Druckprüfanordnung}} {{PSM_Infobox}} Problems with the execution of the compression test __FORCETOC__ ==Measurement requirements== A number of measurement requirements must be met in order to accurately perform the compression test to evaluate the material behaviour under uniaxial compressive loading [1]. On the one hand, the test arrangement appears to be rel..." current
07:4207:42, 1 December 2025 diff hist 0 N File:Druckversuch Diagramme.jpg No edit summary current
07:4207:42, 1 December 2025 diff hist 0 N File:Lexikon-Druckversuch-02 neu.jpg No edit summary current
07:4207:42, 1 December 2025 diff hist 0 N File:Compression Test 01.jpg No edit summary current
07:4107:41, 1 December 2025 diff hist 0 N File:Compression Test 03.jpg No edit summary current
07:4007:40, 1 December 2025 diff hist +12,450 N Compression Test Created page with "{{Language_sel|LANG=ger|ARTIKEL=Druckversuch}} {{PSM_Infobox}} Compression test __FORCETOC__ ==Compression test arrangement and loading scheme== The compression test is used to assess the material behaviour under uniaxial compression loading, whereby rectangular prisms, cylinders or tubes can be used as test specimens. '''Figure 1''' schematically illustrates a compression test facility and the test..." current
07:3007:30, 1 December 2025 diff hist 0 N File:Pruefungverbundwerkstoffe2.jpg No edit summary current
07:3007:30, 1 December 2025 diff hist 0 N File:CompMatTest-1.jpg No edit summary current
07:2907:29, 1 December 2025 diff hist +10,876 N Composite Materials Testing Created page with "{{Language_sel|LANG=ger|ARTIKEL=Prüfung von Verbundwerkstoffen}} {{PSM_Infobox}} Composte materials testing – Fundamentals __FORCETOC__ ==General== Fibre-reinforced composites are a composite of fibres and matrix, whereby the fibres serve to reinforce the matrix. In such composites, the matrix can consist of a thermoplastic (PP, PA or POM) or Thermosets|..." current
07:2807:28, 1 December 2025 diff hist +4,891 N Component Testing Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bauteilprüfung}} {{PSM_Infobox}} Component testing __FORCETOC__ ==Testing of plastic components== Ensuring high quality is a fundamental requirement in the development and production process of plastic components. Special test procedures are used to test the functionality, serviceability, operational safety and lifetime of Plastic Component |..."
07:2707:27, 1 December 2025 diff hist 0 N File:Bauteilversagen 2.JPG No edit summary current
07:2707:27, 1 December 2025 diff hist 0 N File:Bauteilversagen 1.JPG No edit summary current
07:2607:26, 1 December 2025 diff hist +5,213 N Component Failure Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bauteilversagen}} {{PSM_Infobox}} Component failure __FORCETOC__ ==Property and requirements profile== Component failure (see Figure) occurs when the material's property profile (physical, mechanical, thermal and chemical properties) does not match the component's requirement profile (see: fracture behaviour of plastic components). {| |-..." current
07:2607:26, 1 December 2025 diff hist 0 N File:Farbeindringprfung Lasersinterbauteil Bild 4.jpg No edit summary current
07:2507:25, 1 December 2025 diff hist 0 N File:Farbeindringprüfung Lasersinterbauteil Bild 3.JPG No edit summary current
07:2507:25, 1 December 2025 diff hist 0 N File:Farbeindringprfung Lasersinterbauteile Bild 2 korr.jpg No edit summary current
07:2507:25, 1 December 2025 diff hist 0 N File:Colour Penetration Test - Laser Sinter Components.jpg No edit summary current

1 December 2025