- eutectoid reaction
- eutectoid transformation
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共析转变的英文
例句与用法
- Based on the analysis of eutectoid transformation of sg ( spheroidal graphite ) iron , the numerical model of formation of ferrite and pearlite during the eutectoid transformation was improved
摘要通过对球墨铸铁件共析转变的分析，改进了球铁件中铁素体与珠光体形成的数学模型。 - According to the nb - si phase diagram , the temperature of 1550 ? , which is lower than the eutectoid transformation temperature of nbssi ( 1783 ? ) , is chosen for heat - treatment . according to the present conditions of the furfaces , heat - treatment by stages is first proposed for the nb - si system intermetallic composites to keep the furface in good conditions . the results indicate that the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics forms gradually via such eutectoid reaction as nbasi ? nb + nbssis with the heat - treatment time
根据nb - si二元相图，选择略低于nb _ 3si共析转变温度t _ f = 1783的1550对铸态nb - si系金属间化合物进行不同时间( 25h - 100h )的热处理，并根据目前国内和我院热处理炉的现状，首次提出采用分段热处理的方法来解决nb - si合金热处理温度高、连续热处理时间过长而影响热处理炉寿命的困难。