| 黄玲艳,唐强,张波.不锈钢螺栓法兰连接失效分析及预防措施[J].装备环境工程,2017,14(1):1-4. HUANG Ling-yan,TANG Qiang,ZHANG Bo.Analysis and Preventive Measures on Connection Failure of Stainless Steel Bolt Flange[J].Equipment Environmental Engineering,2017,14(1):1-4. |
| 不锈钢螺栓法兰连接失效分析及预防措施 |
| Analysis and Preventive Measures on Connection Failure of Stainless Steel Bolt Flange |
| 投稿时间：2016-09-07 修订日期：2017-01-15 |
| DOI：10.7643/ issn.1672-9242.2017.01.001 |
| 中文关键词: 不锈钢螺栓 应力腐蚀 失效分析 |
| 英文关键词:stainless bolt stress corrosion failure analysis |
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| 中文摘要: |
| 目的 研究低温环境下不锈钢法兰螺栓连接失效机理。方法 采用宏观检测、微观检测和化学成分分析、能谱分析等方法，对不锈钢螺栓材质的化学成分及断口处腐蚀产物的成分进行分析。结果 引起螺栓断裂的主要原因为低温环境下引起的应力腐蚀开裂。结论 根据不锈钢螺栓应力腐蚀的主要影响因素提出了低温加注系统中螺栓应力腐蚀的预防措施。 |
| 英文摘要: |
| Objective To study the mechanism on connection failure of stainless steel bolts in low-temperature environment. Methods Methods such as macro and micro detection, chemical component analysis and energy spectrum analysis were adopted to analyze chemical components of stainless steel bolts and ingredients of corrosion products in fracture. Results The analysis indicated that the main reason was the stress corrosion cracking in low-temperature environment. Conclusion Preventive measures on stress corrosion of bolts in low temperature filling system are proposed based on main influencing factors for stress corrosion of stainless steel bolts. |
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