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3 December 2025
| N 14:07 | Polymer Service GmbH Merseburg diffhist +5,900 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=PSM}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Polymer Service GmbH Merseburg (PSM)</span> __FORCETOC__ In view of the existing German-wide gaps, particularly in the Central German region, between basic research and application-orientated research on the one hand and industry-related research and development on the other, Polymer Service GmbH Merseburg (PSM) has defined its activities in this field. The founding of...") | ||||
| N 13:31 | Notch diffhist +3,175 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kerb}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Notch</span> __FORCETOC__ ==Definition== The distinction between the fracture mechanics terms notch and crack is often somewhat blurred in the literature. Notches and cracks differ in that the inner boundary surfaces of a crack are in contact in the unloaded state, whereas they are not in the case of a notch. From a mathematical point of view...") | ||||
| N 12:59 | Material Testing Machine diffhist +5,024 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Materialprüfmaschine}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Material testing machine</span> __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...") | ||||
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}} <span style="font-size:1.2em;font-weight:bold;">Grellmann, Wolfgang</span> __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}} <span style="font-size:1.2em;font-weight:bold;">Geometry criterion</span> __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}} <span style="font-size:1.2em;font-weight:bold;">Fracture mechanics</span> __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 09:27 | Fracture Mechanical Testing diffhist +3,921 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchmechanische Prüfung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Fracture mechanical testing</span> __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...") | ||||
1 December 2025
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N 11:01 | Elastic Modulus 2 changes history +19,974 [Oluschinski (2×)] | |||
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11:01 (cur | prev) +12 Oluschinski talk contribs (→Ultrasound testing) | ||||
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09:39 (cur | prev) +19,962 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Elastizitätsmodul}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Elastic modulus</span> __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''<sub>t...") | |||
| N 09:36 | Effective Crack Length diffhist +3,110 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Effektive Risslänge}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Effective crack length</span> __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...") | ||||
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08:43 | (Upload log) [Oluschinski (8×)] | |||
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08:43 Oluschinski talk contribs uploaded File:DCB-pruefanordnung PSM1b.jpg | ||||
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08:43 Oluschinski talk contribs uploaded File:DCB-pruefanordnung PSM1a.jpg | ||||
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08:43 Oluschinski talk contribs uploaded File:Dcb6.jpg | ||||
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08:43 Oluschinski talk contribs uploaded File:DCB-Specimen - 5.jpg | ||||
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08:42 Oluschinski talk contribs uploaded File:Dcb3.jpg | ||||
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08:42 Oluschinski talk contribs uploaded File:Dcb2.jpg | ||||
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08:42 Oluschinski talk contribs uploaded File:Dcb1.jpg | ||||
| N 08:08 | Crack Propagation diffhist +4,118 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Rissausbreitung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Crack propagation</span> __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...") | ||||
| N 07:07 | Blumenauer, Horst diffhist +4,566 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Blumenauer, Horst}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Blumenauer, Horst</span> __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 13:18 | Altstädt, Volker diffhist +6,609 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Altstädt, Volker}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Altstädt, Volker</span> __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...") | ||||
