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  • 论文(8)

Growth Kinetics of γ′ Particles in Incoloy 907

Xu ZHAO , Dongfa LI , Ke YANG , Cungan FAN and Yiyi LI (Institute of Metal Research , Academia Sinica , Shenyang , 110015 , China)(To whom correspondence should be addressed)

材料科学技术(英文)

The kinetics of growth of the γ' precipitate in an lncoloy 907 alloy have been studied. The kinetics of particle growth obeyed the tirne law predicted by the Lifshitz-Wagner theory. The distribution of γ'particle sizes was found to be significantly broader than the theoretical distribution of Lifshi...

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Effect of Hot Deformation on Pearlite Transformation of 86CrMoV7 Steel

Ming GAO , Hongxing GU , Furen XIAO , Bo LIAO , Guiying QIAO , Ke YANG , Yiyin SHAN

材料科学技术(英文)

The continuous cooling transformation (CCT) diagrams of 86CrMoV7 steel samples including hot deformed and not hot deformed were constructed by dilatometry, metallography and transmission electron microscopy (TEM). The results showed that hot deformation accelerated pearlite transformation and fine p...

关键词: Hot deformation , null , null

Processing of Ultralow Carbon Pipeline Steels with Acicular Ferrite

Furen XIAO , Mingchun ZHAO , Yiyin SHAN , Bo LIAO , Ke YANG

材料科学技术(英文)

Acicular ferrite microstructure was achieved for an ultralow carbon pipeline steel through the improved thermomechanical control process (TMCP), which was based on the transformation process of deformed austenite of steel. Compared with commercial pipeline steels, the experimental ultralow carbon pi...

关键词: Pipeline steel , null , null

Influence of hot deformation and cooling conditions on the microstructures of low carbon microalloyed steels

Jinbo QU , Yiyin SHAN , Mingchun ZHAO , Ke YANG

材料科学技术(英文)

The transformation behaviours and microstructural characteristics of three low carbon microalloyed steels were investigated. In particular, the effects of deformation and cooling conditions were studied by means of compression tests. It was found that at higher cooling rate (45℃/s), the transformati...

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Nickel-free Stainless Steel for Medical Applications

Yibin REN , Ke YANG , Bingchun ZHANG , Yaqing WANG , Yong LIANG

材料科学技术(英文)

BIOSS4 steel is essentially a nickel-free austenitic stainless steel developed by the Institute of Metal Research, Chinese Academy of Sciences, in response to nickel allergy problems associated with nickel-containing stainless steels that are widely used in medical applications. The high nitrogen co...

关键词: Medical stainless steel , null , null , null , null

Study on corrosion resistance of pure magnesium with CaSiO3 contained coating in NaCl solution

Yanjin LU , Lili TAN , Hongliang XIANG , Bingchun ZHANG , Ke YANG

金属学报(英文版)

A composite coating was fabricated on pure magnesium by hydrothermal treatment in order to reduce its degradation in body environment. The coating was characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The XRD pattern showed that the main composition of the coating was ...

关键词: Magnesium , null , null , null , null

Hot Deformation Behavior of an As-cast Duplex Stainless Steel

Pingli MAO , Ke YANG , Guoyue SU

材料科学技术(英文)

The hot deformation behavior of an as-cast 0Cr17Mn14Mo2N duplex stainless steel has been studied by hot compression test at the temperature range from 1000℃ to 1200℃, and the strain rates are 0.1 s-1, 1 s-1 and 5 s-1, respectively. It was found that during hot deformation there is only dynamic recov...

关键词: Hot deformation , null , null

Research on a New Process of Preparation for Nano-SiO2 with High Activity and Mesopores

Ruijing ZHANG , Ke YANG , Tianying XIONG

材料科学技术(英文)

Nano-SiO2 with high activity and mesopores was prepared through sol-gel synthesis followed by low-temperature heat treatment and ball milling firstly in our experiments. TEM was performed to measure particle sizes. Nitrogen adsorption experiments were carried out to estimate specific surface area, p...

关键词: Heat treatment , null , null , null

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