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Show new changes starting from 08:43, 5 December 2025

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3 December 2025

N 14:07

Polymers & Structure diffhist +9,788 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kunststoffe – Aufbau}} {{PSM_Infobox}} Polymers & structure (Author: Prof. Dr. G. H. Michler) __FORCETOC__ ==Structure and composition of polymers== ===Molecular Structures=== Polymers consist of a large number of identical or different monomer units that are chemically linked together like pearls in a pearl necklace and form giant molecules – macromolecules. Herm...")

N 14:06

Polymer Diagnostic diffhist +7,698 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Kunststoffdiagnostik}} {{PSM_Infobox}} Polymer Diagnostics __FORCETOC__ '''Polymer testing/Polymer diagnostic and Polymer diagnostic/Damage analysis but also Plastics testing and plastics diagnostics''' Polymer diagnostics refers to a modern field of knowledge that is often used in the literature as ‘polymer testing/polymer diagnostics’ or ‘plastic diagnosti...")

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 13:05		Measuring Uncertainty 2 changes history +12,253 [Oluschinski (2×)]
					13:05 (cur \| prev) +22 Oluschinski talk contribs
			N		13:03 (cur \| prev) +12,231 Oluschinski talk contribs (Created page with "{{Language_sel\|LANG=ger\|ARTIKEL=Messunsicherheit}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Measuring uncertainty</span> __FORCETOC__ ==Definition of measurement uncertainty== The measurement uncertainty of the estimated value of a physical quantity limits a value range within which the true value of the measured parameter lies with a probability to be specified (95 % is usually specified). The result of a measurement is only defined by the estim...")

N 13:02

Measuring Accuracy diffhist +4,109 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Messgenauigkeit}} {{PSM_Infobox}} Measuring accuracy __FORCETOC__ ==Fundamental intruduction== A measurement is always subject to a certain degree of technical measurement uncertainty, which is expressed in the respective measurement result. The accuracy of the measured value (often also referred to as measurement accuracy) is documented in the approximati...")

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...")

2 December 2025

N 09:52

Hybrid Methods diffhist +12,645 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Hybride Methoden}} {{PSM_Infobox}} Hybrid methods of plastic diagnostics __FORCETOC__ ==Limitations of conventional polymer testing== In addition to suitable material properties that can be used in design, knowledge of stress-induced material damage is an essential prerequisite for the dimensioning of plastic components and the practical use of Plastics | pl...")

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 09:26

Fracture Behaviour of Plastics Components diffhist +2,640 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchverhalten von Kunststoffbauteilen}} {{PSM_Infobox}} Fracture behaviour of plastic components __FORCETOC__ When used as construction materials for plastic components, plastics are generally regarded as materials with particularly high ductility. However, it can be deduced from the large number of cases of damage th...")

N 09:18

Fibre-reinforced Plastics diffhist +11,638 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Faserverstärkte Kunststoffe}} {{PSM_Infobox}} Fibre-reinforced plastics __FORCETOC__ ==Classification of fibre-reinforced plastics== The term ‘fibre-reinforced plastics’ (FRP) or ‘fibre-plastic composites’ is a synonym for an extremely heterogeneous group of materials, which is characterised by the type of fibre reinforcement and the fibre volume f...")

1 December 2025

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 07:29

Composite Materials Testing diffhist +10,876 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Prüfung von Verbundwerkstoffen}} {{PSM_Infobox}} Composte materials testing – Fundamentals __FORCETOC__ ==General== Fibre-reinforced composites are a composite of fibres and matrix, whereby the fibres serve to reinforce the matrix. In such composites, the matrix can consist of a thermoplastic (PP, PA or POM) or Thermosets|...")

N 07:26

Component Failure diffhist +5,213 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bauteilversagen}} {{PSM_Infobox}} Component failure __FORCETOC__ ==Property and requirements profile== Component failure (see Figure) occurs when the material's property profile (physical, mechanical, thermal and chemical properties) does not match the component's requirement profile (see: fracture behaviour of plastic components). {| |-...")

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