Research on Stress Corrosion Resistance and Critical Crack Size of 38CrNi3MoVA Steel
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摘要: 本文采用预裂纹试样研究了38CrNi3MoVA钢在3.5%(质量浓度) NaCl水溶液腐蚀介质中的应力腐蚀性能,并由此计算出材料的临界裂纹尺寸,由试验结果可知,该材料具有较好的抗3.5%(质量浓度) NaCl水溶液腐蚀性能和很高的使用可靠性。Abstract: The stress corrosion of 38CrNi3MoVA steel was studied with pre-cracking specimens in 3.5% NaCl solution,and the critical crack size of the material was thus figured out.The results show that 38CrNi3MoVA steel is resistant to stress corrosion in 3.5% NaCl solution and reliable in use.
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Key words:
- Stress corrosion /
- Critical crack size /
- Fracture toughness /
- Stress intensity factors
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