利用光学显微镜、扫描电镜、定量金相等技术研究了冷却速度、铅含量、重力作用等对铝铅合金显微组织的影响。

The effects of cooling velocity, the lead content and the gravity on the microstructures of Al Pb alloy were discussed based on the results of optical microscope, SEM and quantitative metallography.

youdao

研究了汽车发动机铝油冷器钎焊温度和钎料包覆率对钎焊质量的影响，借助金相显微镜对钎缝组织进行了分析。

The influence of brazing temperature and cladding ratio of filler metals on brazing quality of aluminum oil cooler for automobile engine was researched.

youdao

采用金相和扫描电镜分析研究了锑、镁在铝硅合金中的存在形式和变质机制。

Modification mechanism and existing form of Sb and Mg in Al-Si alloy were studied by using optical microscope and scanning electron microscope.

youdao