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Show new changes starting from 07:29, 5 December 2025

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3 December 2025

N 13:49

Plastics diffhist +4,515 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kunststoffe}} {{PSM_Infobox}} Plastics __FORCETOC__ ==Definition== The term ‘plastics’ refers to synthetic organic materials that contain '''macromolecules''' as essential components [1]. All natural materials (rubber, protein, cellulose) and plastics contain molecules as their smallest particles, which in turn consist of a large number of atoms. The term ‘macromolecule’ tak...")

N 13:15

MPK-Procedure MPK-ITIT diffhist +146 Oluschinski talk contribs (Created page with "{{PSM_Infobox}} *[https://www.polymerservice-merseburg.de/fileadmin/inhalte/psm/veroeffentlichungen/MPK_IKZV_englisch.pdf MPK-Procedure MPK-ITIT]")

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...")

N 12:59

Material Testing Machine diffhist +5,024 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Materialprüfmaschine}} {{PSM_Infobox}} Material testing machine __FORCETOC__ ==General information== Materials testing machines, synonymously also referred to as universal testing machines (UTM), also known as tensile testing machines and simplified universal tester or testing machines, are used to determine physical (mechanical) material properties in materials testing, plastics te...")

N 12:58

Material Parameter diffhist +2,381 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Werkstoffkenngröße}} {{PSM_Infobox}} Material parameter __FORCETOC__ ==Terminology== A material parameter (also parameter) is a quantitatively determinable property of a material. It can either be measured directly (physical measurand) or calculated from other measurands (derived parameter). In the technical literature, Blumenauer [1—3] in particular has pointed out a clear separat...")

N 12:35

J-Integral Concept diffhist +7,064 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=J-Integral-Konzept}} {{PSM_Infobox}} ''J''-integral concept __FORCETOC__ ==Energetic consideration of the fracture process== The ''J''-integral introduced by Cherepanov [1] and Rice [2] has gained the greatest importance for plastics due to the energetic consideration of the fracture process (see: Fracture mechanics and Fracture Types | types...")

2 December 2025

N 10:42

Instrumented Charpy Impact Test diffhist +6,457 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Instrumentierter Kerbschlagbiegeversuch}} {{PSM_Infobox}} Instrumented Charpy impact test (ICIT) __FORCETOC__ ==General== The instrumented Charpy impact test (ICIT) is a method of mechanical materials testing or experimental fracture mechanics testing (see: fracture mechanical testing) that is increasingly used in Material & Wer...")

N 10:37

Impact Test diffhist +7,983 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schlagbiegeversuch}} {{PSM_Infobox}} Impact Test __TOC__ ==Charpy impact test== In 1898, Russel introduced a pendulum hammer as a test device for impact testing. However, this type of experimental test is now not associated with the name Russel, but with that of Charpy, G. A. A., which is the way in which Charpy used this method for impact testing of metallic materials from 1901 onwar...")

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 09:27

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...")

1 December 2025

N 08:12

Crack Tip Opening Displacement Concept (CTOD) diffhist +5,519 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...")

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