cementite是什么意思？

cementite

英[sɪ'mentaɪt] 美[sɪ'menˌtaɪt]

• n. 渗碳体，碳化铁；

例句

• The slow dissolution of coarse cementite in bainite retards the precipitation rate of carbides during tempering. 回火时,贝氏体中粗大的渗碳体溶解较慢,减慢了合金碳化物的析出速率.
• A mixture of ferrite cementite forming distinct layers or bands in slowly cooled carbon steels. 含%碳的钢(铁碳混合物的低共熔点),含%碳的碳钢是纯珠光体.
• The deformative charateristics of cementite of white cast iron during the rolling process was investigated. 研究了惨碳体在白口铸铁轧制变形过程中的变化特点.

英英词典释义

• Noun
  1. the iron carbide constituent of steel and cast iron; very hard and brittle

行业词典

• 冶金学： 渗碳体；
  机械： 渗碳体；晶体点阵为正交点阵，化学式近似于碳化三铁的一种间隙式化合物。；
  物理学： 渗炭体；