氫致開裂的TEM原位拉伸觀察與研究

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氫致開裂的TEM原位拉伸觀察與研究

陳奇志, 李成華, 褚武揚, 王燕斌, 肖紀美

文章導航 > 工程科學學報 > 1996 > 18(2): 168-173

陳奇志, 李成華, 褚武揚, 王燕斌, 肖紀美. 氫致開裂的TEM原位拉伸觀察與研究[J]. 工程科學學報, 1996, 18(2): 168-173. doi: 10.13374/j.issn1001-053x.1996.02.015

引用本文:

陳奇志, 李成華, 褚武揚, 王燕斌, 肖紀美. 氫致開裂的TEM原位拉伸觀察與研究[J]. 工程科學學報, 1996, 18(2): 168-173. doi: 10.13374/j.issn1001-053x.1996.02.015

Chen Qizhi, Li Chenghua, Chu Wuyang, Wang Yanbin, Xiao Jimei. TEM in-situ Observation of Hydrogen-induced Cracking[J]. Chinese Journal of Engineering, 1996, 18(2): 168-173. doi: 10.13374/j.issn1001-053x.1996.02.015

Citation:

Chen Qizhi, Li Chenghua, Chu Wuyang, Wang Yanbin, Xiao Jimei. TEM in-situ Observation of Hydrogen-induced Cracking[J]. Chinese Journal of Engineering, 1996, 18(2): 168-173. doi: 10.13374/j.issn1001-053x.1996.02.015

陳奇志, 李成華, 褚武揚, 王燕斌, 肖紀美. 氫致開裂的TEM原位拉伸觀察與研究[J]. 工程科學學報, 1996, 18(2): 168-173. doi: 10.13374/j.issn1001-053x.1996.02.015

引用本文:

陳奇志, 李成華, 褚武揚, 王燕斌, 肖紀美. 氫致開裂的TEM原位拉伸觀察與研究[J]. 工程科學學報, 1996, 18(2): 168-173. doi: 10.13374/j.issn1001-053x.1996.02.015

Chen Qizhi, Li Chenghua, Chu Wuyang, Wang Yanbin, Xiao Jimei. TEM in-situ Observation of Hydrogen-induced Cracking[J]. Chinese Journal of Engineering, 1996, 18(2): 168-173. doi: 10.13374/j.issn1001-053x.1996.02.015

Citation:

Chen Qizhi, Li Chenghua, Chu Wuyang, Wang Yanbin, Xiao Jimei. TEM in-situ Observation of Hydrogen-induced Cracking[J]. Chinese Journal of Engineering, 1996, 18(2): 168-173. doi: 10.13374/j.issn1001-053x.1996.02.015

氫致開裂的TEM原位拉伸觀察與研究

doi: 10.13374/j.issn1001-053x.1996.02.015

北京科技大學材料物理系, 北京 100083

基金項目:

國家自然科學基金資助項目

作者簡介:
陳奇志女 32歲博士

中圖分類號: TG111.91
計量
- 文章訪問數: 250
- HTML全文瀏覽量: 68
- PDF下載量: 4
- 被引次數: 0
出版歷程
- 收稿日期: 1995-10-22
- 網絡出版日期: 2021-11-13

TEM in-situ Observation of Hydrogen-induced Cracking

Department of Materials Physics, USTB, Beijing 100083, PRC

摘要: 通過對預充氫310不銹鋼薄膜在透射電鏡(TEM)下的原位拉伸觀察,并和不含氫試樣的結果相比較,研究了氫在韌-脆轉變中的作用及氫致脆斷機理,結果表明,氫使奧氏體不銹鋼由韌變脆的根本原因是氫降低了微裂紋形核時的臨界應力強度因子,從而抑制了DFZ中納米級微裂紋向空洞的轉化。
- 氫致脆斷 /
- 微裂紋 /
- 原位觀察 /
- 不銹鋼 /
- 310不銹鋼
Abstract: The effect of hydrogen on the cracking of type 310 stainless steel was studied by TEM in situ observation of hydrogen-charged specimens and comparison with the hydrogen-free specimens.The results show that the effect of hydrogen on the change from ductile to brittle is to prevent nano cracks in DFZs from blunting into voids.
- hydrogen-induced brittle crack /
- microcrack /
- TEM in situ observation dislocation /
- dislocation free zone /
- steel 310

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文章訪問數: 250
HTML全文瀏覽量: 68
PDF下載量: 4
被引次數: 0

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