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Show new changes starting from 09:44, 5 December 2025

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3 December 2025

			14:15		(Upload log) [Oluschinski (2×)]
					14:15 Oluschinski talk contribs uploaded File:Pure Shear Pruefkoerper-2.JPG
					14:15 Oluschinski talk contribs uploaded File:Pure Shear Pruefkoerper-1.JPG

N 13:32

Notch Geometry diffhist +3,069 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kerbgeometrie}} {{PSM_Infobox}} Notch geometry __FORCETOC__ ==Notch forms for the Charpy notched impact test== In the conventional notched impact test according to ISO 179-1 [1] or ISO 180 [2], notched test specimens with the dimension 80 x 10 x 4 mm3 are used, which are usually made of multipurpose test specimens [3]. In...")

N 13:31

Notch diffhist +3,175 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kerb}} {{PSM_Infobox}} Notch __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 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 12:58

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 12:36

J-Integral Evaluation Methods (Overview) diffhist +3,371 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=J-Integral Auswertemethoden}} {{PSM_Infobox}} Overview about the ''J''-Integral estimation methods ''J''-Integral estimation methods are used for the determination of fracture mechanics values according to the ''J''-Integral concept. The following table gives an overview of the most important approximation methods [1, 2]: file:J-Evaluat...")

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...")

N 12:33

J-Compliance Method diffhist +3,950 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Compliance Methode}} {{PSM_Infobox}} J-Compliance method __FORCETOC__ ==J-Integral evaluation method – Compliance method== J-integral evaluation methods are used for the determination of fracture mechanical values according to the J-integral concept [1]. The first proposal for the experimental determination of '...")

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 09:27

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 09:27

Fracture Mechanical Testing diffhist +3,921 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchmechanische Prüfung}} {{PSM_Infobox}} Fracture mechanical testing __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

N 08:11

Crack Resistance Curve – Experimental Methods diffhist +3,979 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Risswiderstandskurve – Experimentelle Methoden}} {{PSM_Infobox}} Crack resistance curve – Experimental methods __FORCETOC__ ==Crack resistance curve – Experimental methods== For the experimental recording of crack resistance (R) curves under dynamic (impact) loading, e.g. in the Instrumented Charpy Impact Test|Instrum...")

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...")

N 08:02

Crack Model according to GRIFFITH diffhist +6,979 Oluschinski talk contribs (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...")

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 13:12

Ageing diffhist +6,018 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Alterung}} {{PSM_Infobox}} Ageing __FORCETOC__ ==Definition== Ageing is understood to be the totality of all chemical and physical processes irreversibly occurring in a material over the course of time. Ageing takes place under natural environmental conditions. In special cases, however, ageing may have special characteristics, such as elevated temperatures,...")

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