An investigation was made on the effect of rewelding on anti-corrosion properties of ultra-low carbon austenitic stainless steel based on intergranular corrosion test and stress corrosion test.

通过对反复焊接1~5次的超低碳奥氏体不锈钢的晶间腐蚀试验及应力腐蚀试验,研究了反复焊接对超低碳奥氏体不锈钢的耐腐蚀性能的影响。

A micro-organism corrosion test of glass surface have been made in the condition of laboratory with photomicroscope. The micro-organism corrosion extent was observed and measured.

在实验室条件下,借助光学显微镜,对玻璃表面进行了生物变质实验。观察并测定了生物变质程度。

The tube leakage of partition overheater of No. 2 boiler in a power plant was studied by means of metallography, intergranular corrosion test and EDS.

摘要针对日照电厂2(上标﹟)锅炉屏式过热器泄漏进行了金相试验、晶间腐蚀倾向性试验和电镜能谱分析。