| Microstructure Evolution in Laser RS Co-base Metastable Alloy |
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| 引用本文： | WANG Anan,CHENG Shunqi,GUO Zhiyao (Kunming University of Science and Technology,Kunming 650093,China)YUN Bo (Micoanalysis Center,Yunnan University,Kunming 650091,China). Microstructure Evolution in Laser RS Co-base Metastable Alloy[J]. Chinese Journal of Lasers, 1995, 4(5): 475-480 |
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| 作者姓名： | WANG Anan CHENG Shunqi GUO Zhiyao (Kunming University of Science and Technology Kunming 650093 China)YUN Bo (Micoanalysis Center Yunnan University Kunming 650091 China) |
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| 作者单位： | WANG Anan;CHENG Shunqi;GUO Zhiyao (Kunming University of Science and Technology，Kunming 650093，China)YUN Bo (Micoanalysis Center，Yunnan University，Kunming 650091，China) |
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| 摘 要： | ＭｉｃｒｏｓｔｒｕｃｔｕｒｅＥｖｏｌｕｔｉｏｎｉｎＬａｓｅｒＲＳＣｏ－ｂａｓｅＭｅｔａｓｔａｂｌｅＡｌｌｏｙＷＡＮＧＡｎａｎ；ＣＨＥＮＧＳｈｕｎｑｉ；ＧＵＯＺｈｉｙａｏ（ＫｕｎｍｉｎｇＵｎｉｖｅｒｓｉｔｙｏｆＳｃｉｅｎｃｅａｎｄＴｅｃｈｎｏｌｏｇｙ，...
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| 收稿时间： | 1994-11-28 |
Microstructure Evolution in Laser RS Co-base Metastable Alloy |
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| WANG Anan,CHENG Shunqi,GUO Zhiyao. Microstructure Evolution in Laser RS Co-base Metastable Alloy[J]. 中国激光(英文版), 1995, 4(5): 475-480 |
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| Authors: | WANG Anan CHENG Shunqi GUO Zhiyao |
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| Abstract: | Microstructure evolution in Co-Cr-Ni-W alloy produced by laser rapid salidi fication (RS) was investigated using transmission electron microscope(TEM),energy dispersive analysis of X-ray (EDAX)and X-ray Diffraction (XRD).The results indicate that primary Co (ordered fcc) supersaturated solid solution consists in dendrites surrounded with eutectic of Co solution and M23 C6 carbides,solid solubility of Cr in Co extends to 54 wt-%,crystallite size fines down to 10 nm in primary phase where great densities of dislocation and stacking faults forme. |
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| Keywords: | laser rapid solidification eutectic carbide defects |
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