| 释义 |
▪ I. indenter1|ɪnˈdɛntə(r)|
[f. indent v.1 + -er1.]
One who indents, covenants, or orders by indent.
1660Hexham, Een bespreker,..a Conditioner, or an Indenter. 1897Manch. Guard. 25 Oct., Cases..where goods indented for..are now wanted for delivery, the indenters coolly offering to pay at the guaranteed rate.
▪ II. indenter2|ɪnˈdɛntə(r)|
Also -or.
[f. indent v.2 + -er1, -or.]
Something that produces indentations; spec. a small hard sphere, pyramid, or similar object used for producing an indentation in a solid (as in an indentation test).
1929Proc. Inst. Mech. Engin. i. 384 If only a fraction of the attention..had been devoted to the economical production of high quality cones or pyramids as indenters, they would now be in a more satisfactory position with regard to hardness testing. 1948Spielmann & Elford Road Making & Administration (ed. 2) vii. 265 Indenters, Crimpers, and Key Cutters are no longer manufactured. 1950Engineering 4 Aug. 102/3 Mechanical testing..includes..measurement of the shape of impressions made by Knoop hardness indenters. 1966Nature 28 May 879/1 A hard steel indenter (sphere, cone, or pyramid) was pressed with a known load for a specified time on to the surface of a smooth block of ice. 1971B. Scharf Engin. & its Lang. iv. 23 All three are indentation tests in which a weighted steel ball or other ‘indentor’ is applied to the test piece. The hardness is assessed according to the size of the impression (Brinell and Vickers) or the travel of the indentor (Rockwell). |
