The cause of crack formation in construction of prefabricated t beams of a certain prestressed bridge is analysed.
分析了某预应力桥梁预制T梁施工裂缝产生的原因。
The results show that the cracking of the tap valve is brittle crack, which is due to overheat to cause the formation of defects, such as coarse grains, Widmanstatten structure and porosity.
结果表明，水龙头阀体开裂是由于存在过热造成的晶粒粗大、魏氏组织、铸造疏松等缺陷引起的脆性开裂。
We analyse the formation Cause of longitudinal crack of the strip in double - roll strip continuous casting using metallographic technique and electron microprobe.
用金相技术结合电子探针对双辊薄带连铸带坯的纵裂纹成因进行了分析。
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