GH169高溫合金長期時效的組織轉變

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GH169高溫合金長期時效的組織轉變

董建新, 白元強, 徐志超, 謝錫善, 章守華

文章導航 > 工程科學學報 > 1993 > 15(6): 567-571

董建新, 白元強, 徐志超, 謝錫善, 章守華. GH169高溫合金長期時效的組織轉變[J]. 工程科學學報, 1993, 15(6): 567-571. doi: 10.13374/j.issn1001-053x.1993.06.005

引用本文:

董建新, 白元強, 徐志超, 謝錫善, 章守華. GH169高溫合金長期時效的組織轉變[J]. 工程科學學報, 1993, 15(6): 567-571. doi: 10.13374/j.issn1001-053x.1993.06.005

Dong Jianxin, Bai Yuanqiang, Xu Zhichao, Xie Xishan, Zhang Shouhua. Microstructure of Long Time Aging in GH169 Alloys[J]. Chinese Journal of Engineering, 1993, 15(6): 567-571. doi: 10.13374/j.issn1001-053x.1993.06.005

Citation:

Dong Jianxin, Bai Yuanqiang, Xu Zhichao, Xie Xishan, Zhang Shouhua. Microstructure of Long Time Aging in GH169 Alloys[J]. Chinese Journal of Engineering, 1993, 15(6): 567-571. doi: 10.13374/j.issn1001-053x.1993.06.005

董建新, 白元強, 徐志超, 謝錫善, 章守華. GH169高溫合金長期時效的組織轉變[J]. 工程科學學報, 1993, 15(6): 567-571. doi: 10.13374/j.issn1001-053x.1993.06.005

引用本文:

董建新, 白元強, 徐志超, 謝錫善, 章守華. GH169高溫合金長期時效的組織轉變[J]. 工程科學學報, 1993, 15(6): 567-571. doi: 10.13374/j.issn1001-053x.1993.06.005

Dong Jianxin, Bai Yuanqiang, Xu Zhichao, Xie Xishan, Zhang Shouhua. Microstructure of Long Time Aging in GH169 Alloys[J]. Chinese Journal of Engineering, 1993, 15(6): 567-571. doi: 10.13374/j.issn1001-053x.1993.06.005

Citation:

Dong Jianxin, Bai Yuanqiang, Xu Zhichao, Xie Xishan, Zhang Shouhua. Microstructure of Long Time Aging in GH169 Alloys[J]. Chinese Journal of Engineering, 1993, 15(6): 567-571. doi: 10.13374/j.issn1001-053x.1993.06.005

GH169高溫合金長期時效的組織轉變

doi: 10.13374/j.issn1001-053x.1993.06.005

材料科學與工程系

基金項目:

國家自然科學基金資助項目

作者簡介:
董建新,男,28歲,博士

中圖分類號: TG156.92
計量
- 文章訪問數: 245
- HTML全文瀏覽量: 80
- PDF下載量: 11
- 被引次數: 0
出版歷程
- 收稿日期: 1993-06-21
- 網絡出版日期: 2021-10-18

Microstructure of Long Time Aging in GH169 Alloys

Department of Materials Science and Engineering

摘要: 對GH169合金長期時效的組織結構觀察表明,合金在650℃以下時效甚至長達5×10⁴h,其組織變化并不明顯,保持了良好的組織穩定性。然而超過650℃,合金的組織對溫度極為敏感,發生了復雜的相轉變。通過對運行2.8×10⁴h的渦輪盤榫齒的研究表明,應力加速誘發這種復雜的相變過程。
- 高溫合金 /
- 時效 /
- δ相 /
- 沉淀硬化/GH160 /
- 長期時效
Abstract: Microstructure after long time aging have been observed by means of SEM in GH169 alloys. The results show that the microstructure almost no variation after long time aging up to 5×10⁴h below 650℃, and reveals higher structure stability. However, microstructure is very sensitive to aging temperature beyond 650℃, and there existed complicated phase transformation. The experimental results also show that stress accelerates the complicated phase transformation by observing GH169 gas turbine disk with an engine service life of 2.8×10⁴h
- superalloy /
- aging /
- δ-phase /
- precipitation hardening/GH169 /
- long time aging

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計量

文章訪問數: 245
HTML全文瀏覽量: 80
PDF下載量: 11
被引次數: 0

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