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Show new changes starting from 10:00, 5 December 2025
 
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3 December 2025

N    13:50  Plastics – Symbols and Abbreviated Terms diffhist +6,180 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kurzzeichen}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Plastics – Symbols and abbreviated terms</span> __FORCETOC__ The abbreviations for plastics are often based on the basic polymers which are content on it. The upper-case letters used for this purpose are given in: ==ISO 1043: Plastics – Symbols and abbreviated terms== * Part 1 (2011-11): Basic Polymers and their Special Characteristics, modified by ISO 1...")
N    13:49  Plastics diffhist +4,515 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kunststoffe}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Plastics</span> __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    13:32  Notch Geometry diffhist +3,069 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kerbgeometrie}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Notch geometry</span> __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 mm<sup>3</sup> are used, which are usually made of multipurpose test specimens [3]. In...")
N    13:01  Measured Variable diffhist +2,542 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Messgröße}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Measuring variable</span> __FORCETOC__ A measured variable is a physical quantity that is determined by a measurement process. Typical physical measured variables include force, length, mass, temperature, time, etc. The value of the measured variable obtained from a measuring device is referred to as the measured value; it is formed from a nu...")

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}} <span style="font-size:1.2em;font-weight:bold;">Instrumented Charpy impact test (ICIT)</span> __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    10:41  Inertial Load diffhist +4,422 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Aufschlagimpuls}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Initial load, impact impulse or inertial force</span> __FORCETOC__ ==Causes of inertial load== The occurrence of an inertial load (also referred to as inertial force) caused by mass inertia, which is superimposed on the actual deformation behaviour, represents a measurement and evaluation problem in materials testing under dynamic load...")
N    10:29  ICIT – Types of Impact Load–Deflection Diagrams diffhist +16,326 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=IKBV Typen von Schlagkraft-Durchbiegungs-Diagrammen}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">ICIT – Types of impact load–deflection diagrams</span> __FORCETOC__ ==Basic types of impact load–deflection diagrams== The types of registration diagrams that occur in the instrumented Charpy impact test (ICIT) can be divided into the three basic types shown in '''Fig. 1''' [1‒5...")
     10:25  (Upload log) [Oluschinski (5×)]
     
10:25 Oluschinski talk contribs uploaded File:ICIT - Non-linear Material Behaviour 4.jpg
     
10:25 Oluschinski talk contribs uploaded File:ICIT - Non-linear Material Behaviour 3b.jpg
     
10:25 Oluschinski talk contribs uploaded File:ICIT - Non-linear Material Behaviour 3a.jpg
     
10:24 Oluschinski talk contribs uploaded File:ICIT - Non-linear Material Behaviour 2.jpg
     
10:24 Oluschinski talk contribs uploaded File:ICIT - Non-linear Material Behaviour 1.jpg
N    10:19  ICIT – Experimental Conditions diffhist +8,801 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=IKBV Experimentelle Bedingungen}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">ICIT – Experimental conditions</span> __FORCETOC__ ==General== For the fracture mechanics evaluation of impact load (F)–deflection (f) diagrams from the instrumented Charpy impact test, compliance with experimental conditions is a necessary prerequisite. Of decisive importance here is the determination...")
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    09:27  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...")

1 December 2025

N    11:01  Elastic Modulus 2 changes history +19,974 [Oluschinski (2×)]
     
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    08:44  Deformation diffhist +10,870 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Deformation}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Deformation</span> __FORCETOC__ ==Anisotropic deformation== In many plastics, the relationship between stress and strain is nonlinear even at small deformations ('''Fig. 1a'''). However, as '''Fig. 1''' shows, there is still proportionality between stress and strain. In this case, unlike most metallic materials, the requirement of linear proportion...")

28 November 2025

N    14:08  Bend Test 2 changes history +6,189 [Oluschinski (2×)]
     
14:08 (cur | prev) 0 Oluschinski talk contribs
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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...")