Metallography is the study of the microstructure of metals and alloys by means of the metallurgicalmicroscope and the electron microscope.
金相学是用金相显微镜和电子显微镜对金属和合金的显微结构的研究。
2
The electromagnet coil former was analyzed by means of metallurgicalmicroscope. The results shows that cracks results from excessive high temperature while casting and material embrittlement.
用金相显微镜对衔铁线圈骨架的裂纹进行分析。结果表明，由于锻造加热温度偏高， 材料脆化导致裂纹形成。
3
The effects of instant stream inoculation process on the microstructure and section sensitivity of WD615 flywheel were investigated by using metallurgicalmicroscope and Brinell hardness tester.