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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}} <span style="font-size:1.2em;font-weight:bold;">Surface</span> __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 14:38 | Sound Velocity diffhist +10,986 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schallgeschwindigkeit}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Sound velocity</span> __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 14:36 | Sound Pressure diffhist +4,327 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schalldruck}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Sound pressure</span> __FORCETOC__ ==Definition== Sound pressure ''p'' is a physical measured variable (see also: material parameter) that is widely used in non-destructive polymer testing, particularly in acoustic resonance analysis and Ultrasound Testing|...") | ||||
| 14:36 | Upload log Oluschinski talk contribs uploaded File:Schallleistung.JPG | ||||
| N 14:34 | Sound Emission Testing diffhist +7,379 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Schallemissionsprüfung}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Signal sources and signal processing</span> __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...") | ||||
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N 14:29 | Sound Emission Analysis 2 changes history +6,529 [Oluschinski (2×)] | |||
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14:29 (cur | prev) −1 Oluschinski talk contribs | ||||
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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}} <span style="font-size:1.2em;font-weight:bold;">Sound emission</span> __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 14:10 | Resonance Analysis diffhist +1,941 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Resonanzanalyse}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Resonance analysis (acoustic)</span> __FORCETOC__ ==Fundamentals== Acoustic resonance analysis is used to detect inhomogeneities and defects (microstructural defects, inclusions, cracks) in test objects that oscillate at their resonance frequencies after external excitation (impact, shock) (see also: errors). This incl...") | ||||
3 December 2025
| N 13:01 | Measured Value diffhist +1,237 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Messwert}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Measured value</span> __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 12:58 | Material Parameter diffhist +2,381 Oluschinski talk contribs (Created page with "{{Language_sel|LANG=ger|ARTIKEL=Werkstoffkenngröße}} {{PSM_Infobox}} <span style="font-size:1.2em;font-weight:bold;">Material parameter</span> __FORCETOC__ ==Terminology== A material parameter (also parameter) is a quantitatively determinable property of a material. It can either be measured directly (physical measurand) or calculated from other measurands (derived parameter). In the technical literature, Blumenauer [1—3] in particular has pointed out a clear separat...") | ||||