The quality analysis for gas nitrocarburized inner gear ring of heavy truck imported from Austria was taken by means of macro/micro-examination, hardness measuring and running test.
Through macro and microexamination and characterization, the quality of the condenser was accurately evaluated, and some improvement and suggestion were also proposed.
通过对冷凝器的宏微观检查与表征,评价了冷凝器质量的优劣,提出了改进措施与建议。
3
The edge crack on Q345B wide strip steel was analyzed by means of chemical composition analysis, mechanical property testing, micro metallographical examination.