Methods of liquid penetrant testing and classification of indication for steel castings Dye penetrant examination of the completed weld. GB/T9443-1988铸钢件渗透探伤及缺陷显示迹痕的评级方法对已完成的焊缝进行着色渗透检测。
Methods: CP-Ti was casted in 3 kinds of investment methods. The castings were checked with computer-aid X-ray image analysis system, while microhardness and metallographic examination were proceeded. 方法:采用三种不同的铸模包埋方法,离心铸造商业纯钦,经X探伤,计算机图象分析,金相照片,显微硬度及力学测试。