Jump to content

New pages

New pages
Hide bots | Hide redirects
(newest | oldest) View ( | ) (20 | 50 | 100 | 250 | 500)

4 September 2026

  • 09:4609:46, 4 September 2026 Instrumented Hardness Measurement – Indentation Depth Measurement with Modified Contact Foot (hist | edit) [8,308 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Instrumentierte Härtemessung, Eindringtiefenmessung mit modifiziertem Tastfuß}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Instrumented hardness measurement – Indentation depth measurement with modified contact (touch) foot</span> __FORCETOC__ ==Factors influencing indentation depth measurement== Indentation depth measurement methods, such as recording macro hardness measurement, require the simultaneous measurem...")
  • 09:4509:45, 4 September 2026 Instrumented Hardness Measurement – Creep (hist | edit) [6,515 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Instrumentierte Härtemessung, Kriechen}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Instrumented hardness measurement – creep</span> __FORCETOC__ ==General information== Unlike metallic materials, plastics exhibit a time dependence of their mechanical properties even at room temperature, which is referred to as viscoelasticity. Depending on the absolute level of S...")
  • 09:4409:44, 4 September 2026 Initial Crack Length (hist | edit) [3,000 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Ausgangsrisslänge}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Initial crack length</span> __FORCETOC__ ==Manual notch insertion== In the fracture mechanics testing of plastics with the aim of specifying geometry-independent plastic-specific characteristic values (see also: geometry criterion), the mechanically introduced Notch|...")
  • 09:4109:41, 4 September 2026 In-situ Tensile Test in NMR (hist | edit) [9,704 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=In-situ-Zugversuch im NMR}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">In-situ tensile test in NMR</span> Development of a hybrid testing method for coupling NMR spectroscopy and mechanical tensile testing for the investigation of elastomers __FORCETOC__ ==Objective== The aim of the work presented here is to develop a hybrid method for polymer diagnostics that does not yet...")
  • 09:3809:38, 4 September 2026 In-situ Tensile Test in ESEM with AE (hist | edit) [24,994 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=In-situ-Zugversuch im ESEM mit SEA}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">In-situ tensile test in ESEM with AE</span> __FORCETOC__ ==In-situ tensile test in the environmental scanning electron microscope (ESEM) with simultaneous recording of damage-sensitive acoustic emissions (SEA)== ===Introduction=== To evaluate the damage kinetics, quasi-static in-situ tensile tests are perfor...")
  • 09:3709:37, 4 September 2026 Implant Testing (hist | edit) [9,999 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Implantatprüfung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Implant testing</span> __FORCETOC__ ==Material selection for medical implants== The testing of implants (from the Latin *in-* ‘into’ and *plantare* ‘to plant’) and, in particular, implanted prostheses has become increasingly important. Well-known examples include artificial hearts, hip joint prostheses, plastic implants and dental implants. Plas...")
  • 09:3509:35, 4 September 2026 Impact Loading Plastics (hist | edit) [7,161 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schlagbeanspruchung Kunststoffe}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Impact loading plastics</span> __FORCETOC__ ==Significance of high deformation rates== When plastics or composite materials are used in machines or vehicles, in explosions, in crash situations or even during high-speed machining of these materials, sudden impact forces can...")
  • 09:3409:34, 4 September 2026 Impact Loading Pendulum Impact Tester (hist | edit) [6,258 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schlagbeanspruchung Pendelschlagwerk}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Impact loading, plastics, pendulum impact tester</span> __FORCETOC__ ==General information== Plastics or composite plastics are increasingly being used in machines, vehicles and aircraft for lightweight construction purposes. In the event of crash loads and explosions of containers or pipelines in the c...")
  • 09:3309:33, 4 September 2026 Impact Loading Free-falling Dart Test (hist | edit) [7,587 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schlagbeanspruchung Fallbolzensystem}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Impact loading free-falling dart test</span> __FORCETOC__ ==Higher deformation rates== Modern high-performance plastics for lightweight construction applications in mechanical engineering, the automotive and aerospace industries, and for containers and pipelines in the chemical industry require precise knowledge of how these Material...")
  • 09:3109:31, 4 September 2026 ICIT with AE (hist | edit) [18,343 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=IKBV mit SEA}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">ICIT with AE</span> __FORCETOC__ ==Coupling of the instrumented Charpy impact test with damage-sensitive sound emission analysis== ===Introduction=== A fundamental prerequisite for the targeted development of short-fibre-reinforced composites is an understanding of the strength- and strain-dependent Deforma...")
  • 09:2909:29, 4 September 2026 ICIT – Support Span Method (hist | edit) [1,825 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=IKBV Stützweitenmethode}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">ICIT – Support span method</span> __FORCETOC__ ==General information== The ICIT − support span method is an experimental method for recording crack resistance (R) curves under dynamic (impact) stress, e.g. in instrumented Charpy impact tests (see also: Impact Loadin...")
  • 09:2909:29, 4 September 2026 ICIT – Specimen Length Method (hist | edit) [1,905 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=IKBV Probenlängenmethode}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">ICIT – Specimen length method</span> __FORCETOC__ ==General information== The ICIT – specimen length method is an experimental method for recording crack resistance (R) curves under dynamic (impact) stress, e.g. in instrumented Charpy impact tests (see also: Impact...")
  • 09:2609:26, 4 September 2026 ICIT – Influence of Pendulum Hammer Velocity (hist | edit) [7,781 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=IKBV Einfluss Hammergeschwindigkeit}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">ICIT – Influence of Pendulum Hammer Velocity </span> __FORCETOC__ ==ICIT: ratio of fracture load to the amplitude of the inertial load== For the fracture mechanics analysis of impact force (F)-deflection (f) diagrams recorded in instrumented Charpy impact tests, in accordance with the criteria of ...")
  • 08:5708:57, 4 September 2026 Hybrid Methods, Examples (hist | edit) [12,539 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Hybride Methoden, Beispiele}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Hybrid methods of plastic diagnostics, examples</span> The following section presents a number of examples illustrating the application of this testing methodology. Examples (2) to (4) are based on measurements carried out by Polymer Service GmbH Merseburg using equipment available within the company. __FORCETOC__ ==(1) Coupling of vibratio...")
  • 08:5608:56, 4 September 2026 HOOKE's Law (hist | edit) [5,254 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=HOOKE´sche Gesetz}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">HOOKE´s law</span> __FORCETOC__ ==General principles== HOOKE's law (named after Robert Hooke (1635–1703)) describes the elastic behaviour of solids as a special linear case of the law of elasticity, specifically when the elastic deformation is proportional to the applied load. This material behav...")
  • 08:5408:54, 4 September 2026 High-speed Tensile Test (hist | edit) [17,763 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Hochgeschwindigkeitszugversuch}} {{PSM_Infobox}} see also: Impact loading high-speed testing <span style="font-size:1.2em;font-weight:bold;">Determination of the strength of PP/GF composites in high-speed tensile testing </span> __FORCETOC__ ==Introduction== In many applications, for example in automotive engineering, aerospace technology and the sports sector, high Strain Rate Applications|strai...")
  • 08:5208:52, 4 September 2026 HERTZIAN Pressure (hist | edit) [7,706 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=HERTZ´sche Pressung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Heterogeneity of the strain distribution</span> __FORCETOC__ ==Physical principles== The first fundamental work on the contact problem is attributed to [https://en.wikipedia.org/wiki/Joseph_Valentin_Boussinesq Joseph Boussinesq] (french mathematician and physicist; 1842–1929), who calculated the stress field for a point-loaded elastic half-space. The...")
  • 08:4808:48, 4 September 2026 GRIFFITH's Theory (hist | edit) [7,390 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=GRIFFITH´s Theorie}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">GRIFFTH`s theory</span> '''GRIFFTH`s theory on the strength and Failure of solids''' __FORCETOC__ ==General== The fundamental scientific work on the strength and fracture behaviour of solids was carried out by GRIFFITH for the material glass [1]. The transfer of the...")
  • 08:4708:47, 4 September 2026 GRIFFITH's Criteria (hist | edit) [4,758 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=GRIFFITH-Kriterium}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">GRIFFTH`s criteria</span> __FORCETOC__ ==GFRIFFITH`s fracture criterion== The energy balance in the case of crack propagation in an infinitely extended plate with finite thickness was first discussed by Griffith [1]. According to GRIFFITH, crack propagation occurs when the elastic distortion energy ''W''<su...")
  • 08:4608:46, 4 September 2026 Griffith, Alan Arnold (hist | edit) [4,607 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Griffith, Alan Arnold}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Griffith, Alan Arnold – Pioneer of fracture mechanics</span> __FORCETOC__ ==Biography== The British engineer Alan Arnold Griffith (1893–1963) studied mechanical engineering and also earned his doctorate at the University of Liverpool. He is considered the founder of Fracture Mechanics#Linear-elastic fracture mechanics|linear-elastic fracture mec...")
  • 08:4508:45, 4 September 2026 Goodyear, Charles Nelson (hist | edit) [2,874 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Goodyear, Charles Nelson}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Goodyear, C. N.</span> __FORCETOC__ ==Biography== File:goodyear_charles_nelson0.jpg.jpg Charles Nelson Goodyear (1800–1860) was an American chemist, inventor, and industrialist. He is credited with discovering vulcanization for cross-linking rubber. In vulcanization, raw rubber is kneaded with 3...")
  • 08:4308:43, 4 September 2026 Gloss Measurement (hist | edit) [11,748 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Glanzmessung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Gloss measurement</span> __FORCETOC__ ==Fundamentals and international standardisation== Gloss is a visual perception that arises when observing surfaces. The more direct the reflection of light, the more pronounced the perception of gloss. There is no standardised terminology for describing the gloss of surfaces using terms such as high gloss...")
  • 08:4308:43, 4 September 2026 Gloss (hist | edit) [1,791 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Glanz}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Gloss</span> __FORCETOC__ ==Terminology== Gloss describes the property of a surface to reflect light in a specific direction (see: reflection light). In accordance with ISO 4618, the following gloss levels are distinguished: high gloss, gloss, silk gloss, semigloss, satin, matt and dead matt [1]. To describe the gloss, the gloss valu...")
  • 08:4308:43, 4 September 2026 Glass Transition Temperature (hist | edit) [6,252 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Glastemperatur}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Glass transition temperature</span> __FORCETOC__ ==Terminology== The glass transition temperature ''T''<sub>g</sub> is closely linked to the concept of the glass state. Contrary to what is often mistakenly assumed, the glass state is by no means equivalent to a super-cooled (metastable) melt, but rather represents a specific unstable state of solids. Inorgan...")
  • 08:4108:41, 4 September 2026 Glass Fibre Orientation (hist | edit) [11,459 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Glasfaserorientierung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Glass fibre orientation; see also: Fibre orientation </span> __FORCETOC__ ==General== The orientation of short glass fibres is of essential importance for the design and dimensioning of plastic components, as, alongside fibre geometry – specifically the aspect ratio (''l''/''d'') – and the fibre volume f...")
  • 08:3908:39, 4 September 2026 Geometry Function (hist | edit) [3,261 bytes] Oluschinski (talk | contribs) (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Geometriefunktion}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Geometry function</span> __FORCETOC__ ==The geometry function f (a/W)== The finite geometry of each component and test specimen, as well as the crack geometry, are taken into account in fracture mechanics material testing by introducing a geometry function ''f'' (''a''/''W''), whereby the...")

3 September 2026

(newest | oldest) View ( | ) (20 | 50 | 100 | 250 | 500)