PM Rene95合金中夾雜物的微觀力學行為

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PM Rene95合金中夾雜物的微觀力學行為

張麥倉, 董建新, 張麗娜, 曾燕屏, 謝錫善

文章導航 > 工程科學學報 > 2002 > 24(2): 149-152

張麥倉, 董建新, 張麗娜, 曾燕屏, 謝錫善. PM Rene95合金中夾雜物的微觀力學行為[J]. 工程科學學報, 2002, 24(2): 149-152. doi: 10.13374/j.issn1001-053x.2002.02.014

引用本文:

張麥倉, 董建新, 張麗娜, 曾燕屏, 謝錫善. PM Rene95合金中夾雜物的微觀力學行為[J]. 工程科學學報, 2002, 24(2): 149-152. doi: 10.13374/j.issn1001-053x.2002.02.014

ZHANG Maicang, DONG Jianxin, ZHANG Lina, CENG Yanping, XIE Xishan. Micro-mechanical Behavior of Non-metallic Inclusion in P/M Rene 95 Alloy under Uniaxial Tension Stress[J]. Chinese Journal of Engineering, 2002, 24(2): 149-152. doi: 10.13374/j.issn1001-053x.2002.02.014

Citation:

ZHANG Maicang, DONG Jianxin, ZHANG Lina, CENG Yanping, XIE Xishan. Micro-mechanical Behavior of Non-metallic Inclusion in P/M Rene 95 Alloy under Uniaxial Tension Stress[J]. Chinese Journal of Engineering, 2002, 24(2): 149-152. doi: 10.13374/j.issn1001-053x.2002.02.014

張麥倉, 董建新, 張麗娜, 曾燕屏, 謝錫善. PM Rene95合金中夾雜物的微觀力學行為[J]. 工程科學學報, 2002, 24(2): 149-152. doi: 10.13374/j.issn1001-053x.2002.02.014

引用本文:

張麥倉, 董建新, 張麗娜, 曾燕屏, 謝錫善. PM Rene95合金中夾雜物的微觀力學行為[J]. 工程科學學報, 2002, 24(2): 149-152. doi: 10.13374/j.issn1001-053x.2002.02.014

ZHANG Maicang, DONG Jianxin, ZHANG Lina, CENG Yanping, XIE Xishan. Micro-mechanical Behavior of Non-metallic Inclusion in P/M Rene 95 Alloy under Uniaxial Tension Stress[J]. Chinese Journal of Engineering, 2002, 24(2): 149-152. doi: 10.13374/j.issn1001-053x.2002.02.014

Citation:

ZHANG Maicang, DONG Jianxin, ZHANG Lina, CENG Yanping, XIE Xishan. Micro-mechanical Behavior of Non-metallic Inclusion in P/M Rene 95 Alloy under Uniaxial Tension Stress[J]. Chinese Journal of Engineering, 2002, 24(2): 149-152. doi: 10.13374/j.issn1001-053x.2002.02.014

PM Rene95合金中夾雜物的微觀力學行為

doi: 10.13374/j.issn1001-053x.2002.02.014

北京科技大學材料科學與工程學院, 北京 100083

基金項目:

國家自然科學基金資助課題(No.59871007)

作者簡介:
張麥倉男,33歲,博士

中圖分類號: TG132.32
計量
- 文章訪問數: 167
- HTML全文瀏覽量: 31
- PDF下載量: 6
- 被引次數: 0
出版歷程
- 收稿日期: 2001-06-04
- 網絡出版日期: 2021-08-21

Micro-mechanical Behavior of Non-metallic Inclusion in P/M Rene 95 Alloy under Uniaxial Tension Stress

Material Science and Engineering School, UST Beijing, Beijing 100083, China

摘要: 采用人工植入Al₂O₃夾雜物的試樣,通過SEM原位觀察及非線性有限元分析,研究了在單軸拉伸條件下P/M Rene 95合金中夾雜物與基體的相互作用機理.結果表明,不同尺寸及位置的夾雜物對拉伸進程影響不同;夾雜物/基體界面的裂紋萌生及擴展取決于界面附近基體材料的應力狀態.
- P/M Rene 95合金 /
- 夾雜物 /
- SEM原位觀察 /
- 非線性有限元分析 /
- 裂紋
Abstract: The special designed SEM in-situ tensile tests have been conducted to trace the whole process of crack initiation and propagation till to fracture in Al₂O₃ seeded P/M Rene 95 alloy And the distriblltion of stress and strain around inclusions has been calculated by means of an elasto-plastic finite element method (FEM) model with the commercial software ANSYS. The results show that the characteristic parameters of inclusions such as the size, position etc. have different effect on the tension process; and initiation and propagation of the crack at inclusion/medix interface are mainly determined by the stress distribulion of matrix in or near this region.
- P/M Rene 95 alloy /
- inclusion /
- SEM in-situ observation /
- FEM analysis /
- crack

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計量

文章訪問數: 167
HTML全文瀏覽量: 31
PDF下載量: 6
被引次數: 0

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