冷變形316L不銹鋼在高溫高壓水中的應力腐蝕

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冷變形316L不銹鋼在高溫高壓水中的應力腐蝕

杜東海, 沈朝, 陳凱, 余論, 張樂福, 石秀強, 徐雪蓮

文章導航 > 工程科學學報 > 2015 > 37(2): 196-203

杜東海, 沈朝, 陳凱, 余論, 張樂福, 石秀強, 徐雪蓮. 冷變形316L不銹鋼在高溫高壓水中的應力腐蝕[J]. 工程科學學報, 2015, 37(2): 196-203. doi: 10.13374/j.issn2095-9389.2015.02.010

引用本文:

杜東海, 沈朝, 陳凱, 余論, 張樂福, 石秀強, 徐雪蓮. 冷變形316L不銹鋼在高溫高壓水中的應力腐蝕[J]. 工程科學學報, 2015, 37(2): 196-203. doi: 10.13374/j.issn2095-9389.2015.02.010

DU Dong-hai, SHEN Chao, CHEN Kai, YU Lun, ZHANG Le-fu, SHI Xiu-qiang, XU Xue-lian. Stress corrosion cracking of cold worked 316L stainless steel in high temperature and high pressure pure water[J]. Chinese Journal of Engineering, 2015, 37(2): 196-203. doi: 10.13374/j.issn2095-9389.2015.02.010

Citation:

DU Dong-hai, SHEN Chao, CHEN Kai, YU Lun, ZHANG Le-fu, SHI Xiu-qiang, XU Xue-lian. Stress corrosion cracking of cold worked 316L stainless steel in high temperature and high pressure pure water[J]. Chinese Journal of Engineering, 2015, 37(2): 196-203. doi: 10.13374/j.issn2095-9389.2015.02.010

杜東海, 沈朝, 陳凱, 余論, 張樂福, 石秀強, 徐雪蓮. 冷變形316L不銹鋼在高溫高壓水中的應力腐蝕[J]. 工程科學學報, 2015, 37(2): 196-203. doi: 10.13374/j.issn2095-9389.2015.02.010

引用本文:

杜東海, 沈朝, 陳凱, 余論, 張樂福, 石秀強, 徐雪蓮. 冷變形316L不銹鋼在高溫高壓水中的應力腐蝕[J]. 工程科學學報, 2015, 37(2): 196-203. doi: 10.13374/j.issn2095-9389.2015.02.010

DU Dong-hai, SHEN Chao, CHEN Kai, YU Lun, ZHANG Le-fu, SHI Xiu-qiang, XU Xue-lian. Stress corrosion cracking of cold worked 316L stainless steel in high temperature and high pressure pure water[J]. Chinese Journal of Engineering, 2015, 37(2): 196-203. doi: 10.13374/j.issn2095-9389.2015.02.010

Citation:

DU Dong-hai, SHEN Chao, CHEN Kai, YU Lun, ZHANG Le-fu, SHI Xiu-qiang, XU Xue-lian. Stress corrosion cracking of cold worked 316L stainless steel in high temperature and high pressure pure water[J]. Chinese Journal of Engineering, 2015, 37(2): 196-203. doi: 10.13374/j.issn2095-9389.2015.02.010

冷變形316L不銹鋼在高溫高壓水中的應力腐蝕

doi: 10.13374/j.issn2095-9389.2015.02.010

1. 上海交通大學核材料腐蝕性能研究聯合實驗室, 上海 200240;
2. 上海市核電工程重點實驗室, 上海 200233

基金項目:

國家大型先進壓水堆核電站重大專項資助項目(2011ZX06004-009-0601)

通訊作者:
張樂福,E-mail:lfzhang@sjtu.edu.cn

中圖分類號: TL341
計量
- 文章訪問數: 186
- HTML全文瀏覽量: 33
- PDF下載量: 12
- 被引次數: 0
出版歷程
- 收稿日期: 2013-10-11
- 網絡出版日期: 2021-07-10

Stress corrosion cracking of cold worked 316L stainless steel in high temperature and high pressure pure water

1. Corrosion Laboratory for Nuclear Power Materials, Shanghai Jiao Tong University, Shanghai 20024, China;
2. Shanghai Key Laboratory for Nuclear Power Engineering, Shanghai 200233, China

摘要: 采用恒應力強度因子K=33 MPa·m^1/2的加載方法,利用直流電壓降方法在線監測核輔管道316L不銹鋼在高純水中應力腐蝕裂紋擴展速率.對比200、250、280和325℃溫度下,氬氣除氧和含有2 mg·L^-1溶解氧的水化學環境中材料的裂紋擴展速率發現:溶解氧為2 mg·L^-1時的裂紋擴展速率明顯比氬氣除氧時的裂紋擴展速率高.氬氣除氧時,裂紋擴展速率在250℃時有一個最高點;溶解氧為2 mg·L^-1的條件下,裂紋擴展速率隨溫度的升高而升高.
- 不銹鋼 /
- 緊湊拉伸試樣 /
- 高溫 /
- 高壓 /
- 應力腐蝕開裂 /
- 裂紋擴展速率
Abstract: The stress corrosion cracking growth behavior of 316L stainless steel, which is used as nuclear auxiliary pipelines, was continuously monitored by a direct current potential drop method under a constant stress intensity factor K of 33 MPa·m^1/2. By comparing the cracking behavior of this material at 200, 250, 280 and 325℃ in 2 mg·L^-1 oxygenated water and deoxygenated water, we found that the crack growth rate is faster in the oxygenated water than in the deoxygenated water. Experimental results also show that there is a peak of the crack growth rate of this material in the deoxygenated water at 250℃, while the crack growth rate increases with the rise of temperature in the oxygenated water.
- stainless steel /
- compact tensile specimens /
- high temperature /
- high pressure /
- stress corrosion cracking /
- crack growth rate

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文章訪問數: 186
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PDF下載量: 12
被引次數: 0

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