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Show new changes starting from 19:47, 5 December 2025

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5 December 2025

N 14:44

Surface diffhist +12,867 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Oberfläche}} {{PSM_Infobox}} Surface __FORCETOC__ ==General information== The surface of components or semi-finished products corresponds to a thin outer surface layer in the thickness range of approx. 1 nm to several µm, which is decisive for the optical properties, such as colour, reflectivity and gloss, and the mechanical su...")

N 14:40

Specimen diffhist +2,358 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Prüfkörper}} {{PSM_Infobox}} Specimen ==Definition== In the context of the WIKI-dictionary "Polymer Testing & Diagnostics", the term test specimen is used uniformly in connection with mechanical and fracture mechanics testing. Test specimens often have component-like or component-matched shapes and are specified and standardized in t...")

N 14:38

Sound Velocity diffhist +10,986 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schallgeschwindigkeit}} {{PSM_Infobox}} Sound velocity __FORCETOC__ ==General remarks== The sound velocity is an essential property of the medium through which sound travels and describes the time it takes for a wave or wave packet to travel the distance between two points in the medium. This parameter is a basic parameter of Ultrasound Testing|ultrasound tes...")

N 14:34

Sound Emission Testing diffhist +7,379 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schallemissionsprüfung}} {{PSM_Infobox}} Signal sources and signal processing __FORCETOC__ ==Signal sources and signal processing== Sound emission testing is a quasi-non-destructive testing method that is linked to damage-inducing processes. The sound emissions released in the process can be caused by mechanical, biological or c...")

			14:33		(Upload log) [Oluschinski (5×)]
					14:33 Oluschinski talk contribs uploaded File:Schallemission exp Bedingungen 5.jpg
					14:33 Oluschinski talk contribs uploaded File:Schallemission exp Bedingungen 4.jpg
					14:33 Oluschinski talk contribs uploaded File:Schallemission exp Bedingungen 3.jpg
					14:33 Oluschinski talk contribs uploaded File:Sound Emission ExpCond-2.jpg
					14:32 Oluschinski talk contribs uploaded File:Sound Emission ExpCond-1.jpg

			N 14:29		Sound Emission Analysis 2 changes history +6,529 [Oluschinski (2×)]
					14:29 (cur \| prev) −1 Oluschinski talk contribs
			N		14:26 (cur \| prev) +6,530 Oluschinski talk contribs (Created page with "{{Language_sel\|LANG=ger\|ARTIKEL=Schallemissionsanalyse}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Sound emission analysis</span> __FORCETOC__ ==General== One method of materials testing that has gained importance in recent years is sound emission analysis (SEA) or sound emission testing. This is an acoustic testing method for investigating sound emissions with the aim of determin...")

N 14:25

Sound Emission diffhist +1,736 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schallemission}} {{PSM_Infobox}} Sound emission __FORCETOC__ ==Definition== Sound emissions always occur in solids when certain material stresses are exceeded and elastic energy is released in the form of mechanical stress waves. 600px They can be caused by both microscopic and macroscopic processes. The emissions can be caused by...")

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}} Plastics – Symbols and abbreviated terms __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}} 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 13:31

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 13:01

Measured Value diffhist +1,237 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Messwert}} {{PSM_Infobox}} Measured value __FORCETOC__ The value of a measured variable obtained from a measuring device, measuring system or measuring equipment is referred to as a measured value. It consists of a numerical value and the physical unit. According to DIN 1301, numerical values should be between 0.1 and 1,000. Prefixes for units of measurement sho...")

N 13:00

Materials Testing diffhist +6,088 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Werkstoffprüfung}} {{PSM_Infobox}} Materials Testing __FORCETOC__ ==Development of the scientific discipline== The development of the scientific discipline of ‘materials testing’ is closely linked to the dynamic development in materials science and materials engineering. The textbooks written by Blumenauer [1−3] provide an excellent...")

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 09:23

Fracture diffhist +3,047 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruch}} {{PSM_Infobox}} Fracture __FORCETOC__ ==The fracture of plastics== Fracture is the most dangerous cause of failure on the material side. The term "fracture" refers to the macroscopic separation of the material leading to the loss of the load-bearing capacity of the body. In the case of plastics, material separation occurs through the brea...")

N 09:19

Fibre-reinforced Plastics Fracture Model diffhist +10,791 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchmodell faserverstärkte Kunststoffe}} {{PSM_Infobox}} Fibre-reinforced plastics fracture model __FORCETOC__ ==Models for describing the mechanical deformation and crack propagation behaviour of fibre-reinforced plastics [1]== Theoretical models for calculating the mechanical behaviour of composite materials based on the properties of the component...")

1 December 2025

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...")

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