单词 | weld decay |
释义 | > as lemmasweld decay weld decay n. (increased susceptibility to) corrosion in chromium-nickel stainless steel that has been kept at 600° to 900°C for a time (as in welding), owing to the precipitation of chromium carbide and the consequent lowering of the chromium content. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > steel > [noun] > alloy steels > chromium or stainless steel > corrosion in weld decay1932 1932 E. Gregory Metall. vii. 275 The heating of alloy steels of the 18 per cent chromium, 8 per cent nickel type in the range 650°–900°C. greatly decreases their corrosion resistance... This phenomenon is known as weld-decay. 1973 A. Parrish Mech. Engineer's Ref. Bk. (ed. 11) v. 74 This local depletion of chromium causes lack of passivity in acid corrodants with consequent attack along grain boundaries (weld decay). < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。