| 单词 | cupping test |
| 释义 | > as lemmascupping test a. The formation of a cup or concavity; a concavity thus formed. spec. in Metallurgy, the process of forming a depression in sheet metal by forcing a plunger into it when it is laced over a die, used either to fabricate articles or as a test of the ductility of the metal; so cupping test. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > pressing or drawing presswork1896 pressworking1896 cupping1921 extrusion1921 extruding1930 stretch forming1951 society > occupation and work > industry > working with specific materials > working with metal > [noun] > testing assayc1386 toucha1450 say1567 essay1668 assaying1728 parting assay1758 van1778 docimasy1803 touching1908 heat tinting1910 cupping1921 Magnaflux1935 society > occupation and work > industry > working with specific materials > working with metal > [noun] > testing > specific test acid test1759 Wöhler test1911 cupping test1927 1893 in N.E.D. 1921 Jrnl. Inst. Metals 25 441 A ductility testing machine is described in which the direct pressure necessary to distort the material is measured. The pressure to cause the cupping is weighed directly by means of a confined liquid and a gauge. 1927 Jrnl. Iron & Steel Inst. 115 926 (title) A cupping test for determining qualities of thin metal sheets. 1964 E. Gregory & E. N. Simons Steel Working Processes v. 130 Cupping is applied to such parts as containers, brake drums, dishes, pans, trays, beakers, etc. < as lemmas |
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