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PRODUCTION OF ULTRAFINE PARTICLES OF OXIDES AND NITRIDES BY LASER BEAMS

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Transactions of Nonferrous Metals Society of China 1992年第1期2卷 58-60页

作者： Xu Huibin tan shusong Leo Tungwa Ngal Technische Universitat Berlin FRG Central-South University of Technology Changsha 410083China University of Wisconsin U.S.A

Ultrafine particles of Al_(2)O_(3),MoO_(3),TiO_(2)and SiO_(2)were prepared by irradiate high power laser beams on material surface in O_(2)atmosphere as well as TiN in N_(2) atmosphere.X-ray diffractometer analysis identified that all oxides and nitrides powder obtained are crystalline except SiO_(2) particles which have amorphous struc-ture.

关键词： ultrafine powder oxide nitride laser

QUENCH IN STABILIZATION OF Cu-Zn-Al ALLOY

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中国有色金属学会会刊：英文版 1997年第3期7卷 100-103页

作者： Peng, Kun tan, shusong Li, Shutang Chung, C.Y. Lan, C.W.H. Central South Univ of Technology Changsha China

ＱＵＥＮＣＨＩＮＳＴＡＢＩＬＩＺＡＴＩＯＮＯＦＣｕＺｎＡｌＡＬＬＯＹ①ＰｅｎｇＫｕｎ，ＴａｎＳｈｕｓｏｎｇ，ＬｉＳｈｕｔａｎｇＤｅｐａｒｔｍｅｎｔｏｆＭａｔｅｒｉａｌｓＳｃｉｅｎｃｅａｎｄＥｎｇｉｎｅｒｉｎｇ，Ｃ... 详细信息

ＱＵＥＮＣＨＩＮＳＴＡＢＩＬＩＺＡＴＩＯＮＯＦＣｕＺｎＡｌＡＬＬＯＹ①ＰｅｎｇＫｕｎ，ＴａｎＳｈｕｓｏｎｇ，ＬｉＳｈｕｔａｎｇＤｅｐａｒｔｍｅｎｔｏｆＭａｔｅｒｉａｌｓＳｃｉｅｎｃｅａｎｄＥｎｇｉｎｅｒｉｎｇ，ＣｅｎｔｒａｌＳｏｕｔｈＵｎｉｖｅｒ...

关键词： shape memory alloy stabilization quenchant

SINGLE　CRYSTAL　GROWTH　OF　Cu　BASED　SHAPE　MEMORYALLOYANDITSTHERMODYNAMICANALYSIS

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Journal of Central South University 1994年第1期6卷 29-34页

作者： shusong tan (1) Huibin Xu (2) Ngal Leo tangwai (3) 1. Department of Material Science and Engineering Central South University of Technology 410083 Changsha China2. Beijing Aviation and Aeronautic University Beijing China3. City Polytechnic of Hong Kong Material Research Central 83 Tat Chee Ave Kowloon Hong Kong

ＳＩＮＧＬＥＣＲＹＳＴＡＬＧＲＯＷＴＨＯＦＣｕＢＡＳＥＤＳＨＡＰＥＭＥＭＯＲＹＡＬＬＯＹＡＮＤＩＴＳＴＨＥＲＭＯＤＹＮＡＭＩＣＡＮＡＬＹＳＩＳＳＩＮＧＬＥＣＲＹＳＴＡＬＧＲＯＷＴＨＯＦＣｕＢＡＳＥＤＳＨＡＰＥＭＥＭＯ... 详细信息

ＳＩＮＧＬＥＣＲＹＳＴＡＬＧＲＯＷＴＨＯＦＣｕＢＡＳＥＤＳＨＡＰＥＭＥＭＯＲＹＡＬＬＯＹＡＮＤＩＴＳＴＨＥＲＭＯＤＹＮＡＭＩＣＡＮＡＬＹＳＩＳＳＩＮＧＬＥＣＲＹＳＴＡＬＧＲＯＷＴＨＯＦＣｕＢＡＳＥＤＳＨＡＰＥＭＥＭＯＲＹＡＬＬＯＹＡＮＤＩＴＳＴＨＥＲ...

关键词： shape memory alloy single crystal temperature gradient

AN APPROACH TO ALL-ROUND SHAPE MEMORY EFFECT IN Ti-51Ni ALLOY

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Acta Metallurgica Sinica(English Letters) 1990年第4期3卷 304-307页

作者： tan shusong XU Huibin Technische Universitate Berlin,Germany Professor,Dept.of Materials,Central South University of Technology,Changsha 410083,China

A possible mechanism of all-round shape memory behaviour hy help of a physical model pro- posed by Muller has been *** all-round shape mernory effect can be due to the fact that stress induced martensite of two different orientations is formed during the martensitic transformation in the outer and inner layers of the specimen respectively.

关键词： all-round shape memory effect stress induced martensitic transformation Ti—51at.—%Ni SMA

SHAPE MEMORY EFFECT OF POLYCRYSTALLINE Fe-Mn-Si ALLOYS

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Acta Metallurgica Sinica(English Letters) 1989年第3期2卷 228-230页

作者： ZHAO Qinghua tan shusong Central South University of Technology,Changsha,China Department of Materials,Central South University of Technology,Changsha,Hunan,China

The influence of quenching temperature on the shape memory effect(SME)of the Fe-Mn-Si polycrystalline alloys and their martensitic transformation temperature have been *** SME of the hot-rolled specimen may be remarkably enhanced by selecting quenching temperature of 600—800℃.It has been shown that SME is influenced not only by the distribution of ε-phase morphology but also by its pre-existence.

关键词： shape memory effect Fe-Mn-Si alloy martensitic transformation

PREPARATION OF ULTRAFINE POWDER OF Fe AND ZrO_2 WITH METASTABLE PHASES BY HIGH POWER LASER BEAMS

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Acta Metallurgica Sinica(English Letters) 1990年第11期3卷 360-363页

作者： XU Huibin tan shusong Technische Universitat Berlin,FRG XU Huibin Dipl.-Ing,FB9,Physikalische Ingenieurwissenschaft,HF1,TU Berlin,1000 Berlin 12,FRG

The radiation of material surface by high intensity laser beams is used to produce the uhrafine powder of pure Fe and ZrO_*** morphology,size and phases of the powder were examined by X-ray diffraetometer,scanning electron microscopy as well as transmission electron *** pure Fe a considerable quantity of γ-phase was found in the *** ZrO_2 powder,instead of stable phase,two metastable phases appeared.

关键词： laser beam ultrafine powder metastable phase