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Show new changes starting from 09:43, 5 December 2025

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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}} Polymer Service GmbH Merseburg (PSM) __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 13:49

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 13:39

Notch Sensitivity diffhist +12,860 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kerbempfindlichkeit}} {{PSM_Infobox}} Notch Sensitivity __FORCETOC__ ==General information== The impact strength (see: Impact test), determined on unnotched test specimens, and the notched impact strength (see: Notched impact test), determined on notched test specimens of a plastic, are of particular technical...")

			13:38		(Upload log) [Oluschinski (9×)]
					13:38 Oluschinski talk contribs uploaded File:Kerbeinbringung-9.JPG
					13:38 Oluschinski talk contribs uploaded File:Kerbeinbringung-8.JPG
					13:38 Oluschinski talk contribs uploaded File:Kerbeinbringung-7.JPG
					13:38 Oluschinski talk contribs uploaded File:Kerbeinbringung-6.JPG
					13:38 Oluschinski talk contribs uploaded File:Notch insertion Fig5.jpg
					13:38 Oluschinski talk contribs uploaded File:Kerbeinbringung-4.JPG
					13:37 Oluschinski talk contribs uploaded File:Notch insertion Fig3.jpg
					13:37 Oluschinski talk contribs uploaded File:Kerbeinbringung-2.JPG
					13:37 Oluschinski talk contribs uploaded File:Notch insertion Fig1.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 13:18

Multipurpose Test Specimen diffhist +3,841 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Vielzweckprüfkörper}} {{PSM_Infobox}} Multipurpose test specimen __FORCETOC__ ==Fundamentals== The multipurpose test specimen used for the polymer testing is standardised by ISO 3167 [1]. The '''figure 1''' shows the specified geometries for the multipurpose test specimen of type 1A and 1B as well as permissible specimen's forms according to ISO 527 [2]. file:multipurposespecimen...")

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 12:58

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...")

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 10:26

ICIT – Stop Block Method diffhist +2,868 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=IKBV Stopp-Block-Methode}} {{PSM_Infobox}} ICIT – Stop block method __FORCETOC__ ==General information== The ICIT‒Stop block 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 Loading Pen...")

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 11:22

Electronic Instrumentation diffhist +7,951 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Instrumentierung}} {{PSM_Infobox}} Instrumentation __FORCETOC__ ==Registration of load (force) and deflection (displacement)== Instrumentation refers to the equipping of frequently non-instrumented testing equipment in materials testing, such as pendulum impact testers and hardness testing systems, with load (force) an...")

N 08:55

Ductility Plastics diffhist +8,915 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Duktilität}} {{PSM_Infobox}} Ductility plastics __FORCETOC__ ==General== In the field of solids, the terms strength, toughness, viscosity, as well as brittleness and ductility are used for property evaluation [1]. In the literature, ductile and toughness material behaviour are often used synonymously without a...")

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 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 07:11

Brittle-Tough Transition diffhist +3,539 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Spröd-Zäh-Übergang}} {{PSM_Infobox}} Brittle-tough transition __FORCETOC__ ==Description of the brittle-tough transition== In a physical dependence of material toughness (as a measure of energy dissipation or resistance to crack propagation), the brittle-tough transition characterizes a characteristic point at which a fundamental change in material behaviour occurs, e.g. a transit...")

28 November 2025

N 14:25

Bierögel, Christian diffhist +6,198 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bierögel, Christian}} {{PSM_Infobox}} Bierögel, Christian __FORCETOC__ file:Bieroegel.jpg {| |- valign="top" |width="50px"|'''Photo''': |width="600px" |Prof. Dr. Christian Bierögel |} Prof. Dr. Christian Bierögel (1953–2018), born on 18 January 1953 in Dresden, attended primary school in Dresden/[https://de.wikipedia.org/wiki/Cursdorf Cursdorf] and [https://en.wikipedia.o...")

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