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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 14:34

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...")

			14:30		(Upload log) [Oluschinski (5×)]
					14:30 Oluschinski talk contribs uploaded File:Burstsignal.jpg
					14:28 Oluschinski talk contribs uploaded File:Sound Emission Analysis-5.jpg
					14:28 Oluschinski talk contribs uploaded File:Sea zv.jpg
					14:28 Oluschinski talk contribs uploaded File:Kont emission.jpg
					14:27 Oluschinski talk contribs uploaded File:Sound Emission Analysis-1.jpg

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...")

N 13:56

Quasi-static Test Methods diffhist +2,965 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Quasistatische Prüfverfahren}} {{PSM_Infobox}} Quasi-static Test Methods __FORCETOC__ ==Classification in the mechanical test methods== In the quasi-static test methods, the stress is applied slowly, shock-free and steadily increasing until the test specimen used breaks. The strain rates used are in the range of approx. 10-5 to 10-1 s<su...")

3 December 2025

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 13:00

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...")

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 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 09:18

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 08:44

Deformation diffhist +10,870 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Deformation}} {{PSM_Infobox}} Deformation __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...")

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 07:54

Crack Formation diffhist +5,637 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Bruchentstehung}} {{PSM_Infobox}} Crack formation __FORCETOC__ ==The deformation energy for fracture formation== In order to explain the processes involved in fracture formation, it is useful to compare an unloaded tensile test specimen with a loaded tensile test specimen without and with a crack. 400px {| |- v...")

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