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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}} <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 13:18 | Multipurpose Test Specimen diffhist +3,841 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Vielzweckprüfkörper}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Multipurpose test specimen</span> __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...") | ||||
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...") | ||||
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}} <span style="font-size:1.2em;font-weight:bold;">Bierögel, Christian</span> __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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N 14:22 | Bend Test – Yield Stress 2 changes history +5,858 [Oluschinski (2×)] | |||
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14:22 (cur | prev) −2 Oluschinski talk contribs (→Microscopic yield and macroscopic necking) | ||||
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14:21 (cur | prev) +5,860 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Biegeversuch Fließspannung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Bend test – Yield stress</span> __FORCETOC__ ==General principles== Similar to the tensile test, the different deformation components in bend loading, which are time- and load-dependent, must be taken into account when evaluating the measurement results. Depending on the type of plastic, linear-elastic, linear-viscoelastic,...") | |||
| N 14:20 | Bend Test – Test Influences diffhist +2,542 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Biegeversuch Prüfeinflüsse}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Bend test − Test influences</span> __FORCETOC__ ==Bend test − Test influences== So-called self-adjusting supports are still sometimes used in the practical testing bend tests ('''Fig. 1a'''). These test systems work very well with metallic materials, since the forces generated are much greater than wit...") | ||||
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N 14:18 | Bend Test – Specimen Preparation 2 changes history +7,279 [Oluschinski (2×)] | |||
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14:18 (cur | prev) +16 Oluschinski talk contribs (→Bending test specimen made of plastic components) | ||||
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14:16 (cur | prev) +7,263 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Biegeversuch Prüfkörperentnahme}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Bend test – Specimen preparation</span> __FORCETOC__ ==Specimen shapes for bend testing== For the three-point bend test on plastics, in accordance with the relevant standards of bend testing of plastics [1–3], the test specimen with dimensions 80 mm x 10 mm x 4 mm is preferably used. This test specimen ca...") | |||
| N 14:14 | Bend Test – Shear Stress diffhist +5,265 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Biegeversuch Schubspannung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Bend test – Shear stress</span> __FORCETOC__ ==Causes for the occurence of shear stresses== In the bend test on plastics, it is assumed in accordance with the preferred standards for the bending test of plastics [1, 2] that a pure normal stress state is present in the test specimen. In analogy to this, a pure shear stress co...") | ||||
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N 14:13 | Bend Test – Influences 2 changes history +9,270 [Oluschinski (2×)] | |||
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14:13 (cur | prev) +3 Oluschinski talk contribs | ||||
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14:10 (cur | prev) +9,267 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Biegeversuch Einflüsse}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Bend test – Influences</span> __FORCETOC__ ==Elastic bending theory== The elastic line for large deflections w is described with the general differential equation of the elastic bending line of the deformed bending test specimen (2nd order theory), which is complicated to handle from an engineering point of view and can only be...") | |||
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N 14:08 | Bend Test 2 changes history +6,189 [Oluschinski (2×)] | |||
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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...") | |||
| N 14:03 | Bend Loading diffhist +7,220 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Biegebeanspruchung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Bend loading</span> __FORCETOC__ ==General== Bending loading is one of the most common types of loading encountered in practice and is therefore of great importance for determining the material values of plastics and fibre composites. The load type is used specifically for the following test methods: * Flexural test f...") | ||||