DENG Rongying ZHOU Aihua JIANG Huaiqing LI Chunxiu Institute of Mechanics
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Academia Sinica
,
Beijing
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ChinaZHANG Liqing
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SUN Yutian Beijing Institute of Engineering
,
Beijing
,
China [Originally published in ACTA METALL SIN(CHINESE EDN)25(3)1989 pp A219—A225
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Associate Profes sor
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Institute of Mechanics
,
Academia Sinica
,
Beijing
,
China
金属学报(英文版)
The effect of pearlite interlamellar spacing(d)from 0.31 to 0.77 μm of T8 steel on fatigue crack propagation near threshold has been investigated at different stress ratios(R).The closure stress intensity factor(K_(cl)),the threshold value(ΔK_(th))and crack tip opening dis- placement range(ΔCOD)were...
关键词:
pearlitic steel
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null
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null
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null
WANG Huaming Institute of Metal Research
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Academia Sinica
,
Shenyang
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ChinaZHANG Qing Central Iron and Steel Research Institute
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Ministry of Metallurgical Industry
,
Beijing
,
ChinaSHAO Hesheng Beijing Graduate School
,
China University of Mining and Technology
,
Beijing
,
China Institute of Metal Research
,
Academia Sinica
,
Shenyang 110015
,
China
金属学报(英文版)
The role of austenite in impact-abrasion process was studied on the basis of the impact-abrasion test results of a newly developed austenite-bainitic ferrite dual-phase abrasion-resistant steel with high strength,high toughness and high strain-hardening ability. It is found that the morphology,distr...
关键词:
austenite
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null
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null
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XU Xiangxing SU Yi ZHOU Wei Tsinghua University
,
Beijing
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ChinaCAI Qigong Central Iron and Steel Research Institute
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Ministry of Metallurgical Industry
,
Beijing
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China XU Xiangxing
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Dept.of Mechanical Engineering
,
Tsinghua University
,
Beijing
,
100084
,
China
金属学报(英文版)
The cleavage fracture mechanism of granular bainitie weld metal in 15MnVN steel has been investigated.SEM observation of a special specimen for revealing simultaneously fracture sur- face and microstructure shows that the cleavage of the weld is initiated by M-A constituent. The 95th percentile equi...
关键词:
granular bainite
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null
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null
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null
HU Fengxia State Key Laboratory of Magnetism
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Institute of Physics
,
Academia Sinica
,
Beijing
,
ChinaCHEN Jinchang Beijing Teacher's College
,
Beijing
,
ChinaSHEN Baogen GUO Huiqun State Key Laboratory of Magnetism
,
Institute of Physics
,
Academia Sinica
,
Beijing
,
China
金属学报(英文版)
Curie temperature of amorphous alloys Co_(90-x)Cr_x Zr_(10) decreases linearly with increas- ing x.Average magnetic moment per magnetic atom Co or Cr is 1.51 μB or -3.62 μB respectively.The temperature dependence of spontaneous magnetization at low temper- atures is in agreement with Bloch's T~(3/2)...
关键词:
amorphous state
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null
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null
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null
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YANG Jilian ZHANC Baisheng DINC Yongfan China Institute of Atomic Engergy
,
Beijing
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ChinaYANG Yingchang ZHANG Xiaodong Peking University
,
Beijing
,
ChinaPAN Shuming General Research Institute for Non-Ferrous Metals
,
Beijing
,
China associate professor
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P.O.Box 275
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Branch No.30
,
Beijing 102413
,
China
金属学报(英文版)
The N occupying sites and magnetic structures in R_2Fe_(17)N_x(R=Y,Dy,Nd)are de- termined by neutron diffraction.The effects of the site occupation of N on magnetic properties are discussed primarily....
关键词:
neutron diffraction
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null
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null
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RAO Jianxi Naval Academy of Engineering
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Wuhan
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China MA Ruzhang University of Science and Technology Beijing
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Beijing
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China HE Yusheng Tsinghua University
,
Beijing
,
China MA Ruzhang Professor
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Department of Metal Physics
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University of Science and Technology Beijing 100083
,
Beijing
,
China
金属学报(英文版)
Measurements by using the ultrasonic technique together for electric resistance verified that the first sound velocity valley on cooling is mainly due to the soft-mode of driving the com- mensurate phase transition,and the second one due to the soft-mode of driving the martensitic transformation.The...
关键词:
incommensurate phase transition
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null
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null
SUN Enxi Dalian Railway College
,
Dalian
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ChinaYANG Dazhi Dalian University of Technology
,
Dalian
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ChinaXU Zuyao (T.Y.Hsu) Shanghai Jiaotong University
,
Shanghai
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ChinaYANG Fuming ZHAO Ruwen Institute of Physics
,
Academia Sinica
,
Beijing
,
China YANG Dazhi
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Professor
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Dalian University of Technology
,
Dalian 116024
,
China
金属学报(英文版)
The pulsed magnetic field induced martensitic transformation with isothermal and athermal kinetics in Fe-2Ni-4Mn(wt-%)alloy has been studied by means of magnetization measurements,optical microscopy and thermodymical analyses.It is shown that there exits a critical magnetic intensity for induing mar...
关键词:
magnetic field-induced martensitic transformation
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null
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null
LIU Ping Institute of Aeronautical Material
,
Beijing
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ChinaXU Changgan Beijing University of Aeronautics and Astronautics
,
Beijing
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China XU Changgan
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Associate Professor
,
Group 102
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Beijing University of Aeronautics and Astronautics
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37 Xueyuan Road
,
Beijing 100083
,
China
金属学报(英文版)
The electrochemical behaviour,which is presented by means of anodic polarization curves.of the component phases in Ti and Ti alloys in aqueous solutions of fluorhydrie acid,chhnhydric acid and amber acid has been investigated.The results indicate that the electrochemical behaviour of the allloys dep...
关键词:
Ti alloy
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null
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null
ZHANG Dengxia MA Chenghui CAI Ming Institute of Mechanics
,
Academia Sinica
,
Beijing
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ChinaAI Baoren ZHANC Jinyuan ZHU Ruizhen LIU Chunlan Central Iron and Steel Research Institute
,
Ministry of Metallurgical Industry
,
Beijing
,
China Associate Professor
,
Institute of Mechanics
,
Academia Sinica
,
Beijing 100080
,
China
金属学报(英文版)
Observations of microstructure of explosive compacts made of Al or Al-Li alloy powders by atomization with water,nitrogen or ultrasoic Ar gas were carried out under optical and scanning electron microscopes.The rsults indicate that super quality explosive compact can only be obtained by powders of w...
关键词:
Al powder
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null
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null
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DENG Rongying
,
YE Zhijun Institute of Mechanics
,
Academia Sinica
,
Beijing
,
China LIU Shuhua
,
ZOU Dingqiang China Academy of Railway Sciences
,
Beijing
,
China Institute of Mechanics
,
Academia Sinica
,
Beijing 100080
,
China
金属学报(英文版)
The effect of ferrite content in ferrite-martensite dual-phase steel on the initiation and prop- agation of fatigue crack and the plastic deformation at crack tip has been studied.In the range of ferrite content from 24.2 to 41.5%,the optimum seems to be 33.8%,of which the crack ini- tiation will be...
关键词:
dual-phase steel
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null
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null
