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Show new changes starting from 08:43, 5 December 2025

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3 December 2025

N 12:59

Material Value diffhist +2,657 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Werkstoffkennwert}} {{PSM_Infobox}} Material value __FORCETOC__ ==Terminology== Material values (also characteristic values) represent the quantitative relationship between the material properties and the stress conditions for a particular material. A material value thus represents a numerical value with the associated physical unit of the property (see Material Parameter|material p...")

N 12:59

Material & Werkstoff diffhist +9,285 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Werkstoff & Material}} {{PSM_Infobox}} Material & Werkstoff __FORCETOC__ ==Terminology== The targeted use of materials such as wood and bone, stone, glass/ceramics and metals as well as polymer materials, composite materials and material composites has been taking place for thousands of years. Materials have shaped entire epochs in the development of civilization, so i...")

2 December 2025

N 09:42

Grellmann, Wolfgang diffhist +10,174 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Grellmann, Wolfgang}} {{PSM_Infobox}} Grellmann, Wolfgang __FORCETOC__ 150px {| |- valign="top" |width="50px"|'''Photo''': |width="600px" |Prof. Dr. Wolfgang Grellmann |} [https://de.wikipedia.org/wiki/Wolfgang_Grellmann Prof. Dr. Wolfgang Grellmann], born on 22 July 1949 in [https://de.wikipedia.org/wiki/Ammendorf/Beesen Ammendorf] (today: [https://en.wikipe...")

N 09:39

Geometry Criterion diffhist +7,670 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Geometriekriterium}} {{PSM_Infobox}} Geometry criterion __FORCETOC__ ==Geometry criterion, fracture tougness== In the linear-elastic approach, the geometric variables ''B'', ''a'' and the ligament expansion (''W''–''a'') are estimated using the empirically determined relationship {| |- |width="20px"| |width="500px" | <math>B{,}\ a{,}\ \left( W-a\right)\,\ge\,\beta \left( \frac{K}{\...")

N 09:31

Fracture Modes diffhist +3,484 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchmoden}} {{PSM_Infobox}} Fracture modes __FORCETOC__ ==General information== When deriving the fundamental relationships of fracture mechanics, three different possibilities for material separation at the crack tip (see also: crack) are assumed [1–3], resulting in a distinction between three Crack Opening Modes|crack o...")

N 09:27

Fracture Mechanics diffhist +15,213 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...")

N 09:26

Fracture Behaviour of Plastics Components diffhist +2,640 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...")

N 09:23

Fracture diffhist +3,047 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...")

1 December 2025

N 08:08

Crack Propagation diffhist +4,118 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...")

08:07

Upload log Oluschinski talk contribs uploaded File:Rissoeffnungsmoden.jpg

N 07:52

Crack diffhist +10,614 Oluschinski talk contribs (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...")

N 07:29

Composite Materials Testing diffhist +10,876 Oluschinski talk contribs (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|...")

N 07:28

Component Testing diffhist +4,891 Oluschinski talk contribs (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 |...")

N 07:26

Component Failure diffhist +5,213 Oluschinski talk contribs (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). {| |-...")

N 07:07

Blumenauer, Horst diffhist +4,566 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Blumenauer, Horst}} {{PSM_Infobox}} Blumenauer, Horst __FORCETOC__ 150px {| |- valign="top" |width="50px"|'''Photo''': |width="600px" |Prof. Dr.-Ing. habil. Dr.-Ing. e.h. Horst Blumenauer |} Horst Blumenauer (7 February 1935–15 May 2018) was a renowned German materials scientist and materials mechanic who taught as a professor of ‘Metallurgy and Me...")

28 November 2025

			N 14:08		Bend Test 2 changes history +6,189 [Oluschinski (2×)]
					14:08 (cur \| prev) 0 Oluschinski talk contribs
			N		14:05 (cur \| prev) +6,189 Oluschinski talk contribs (Created page with "{{Language_sel\|LANG=ger\|ARTIKEL=Biegeversuch}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Bend test</span> __FORCETOC__ ==General== The quasi-static bend test is used, in particular, for the examination of brittle materials, which cause measurement problems in the tensile test due to their failure behaviour. In the case of homogeneous and isotropic plastics, this test is applied according to ISO...")

N 13:18

Altstädt, Volker diffhist +6,609 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Altstädt, Volker}} {{PSM_Infobox}} Altstädt, Volker __FORCETOC__ 150px {| |- valign="top" |width="50px"|'''Photo''': |width="600px" |Prof. Dr.-Ing. Volker Altstädt |} Prof. Dr. Volker Altstädt, born on December 5, 1954, in Kassel, is a German physicist and polymer materials engineer whose scientific work focuses on plastics Material Science...")

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