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PRECIPITATION HARDENING OF ELINVAR ALLOY

LIU Zhiguo CHEN Yong CAO Yanni Nanjing University , Nanjing , ChinaZHU Zhengsheng Shaanxi Iron and Steel Institute , Xi'an , China Professor , Dept.of Physics , Nanjing , University , Nanjing 210008 , China

金属学报(英文版)

The microstructural evolution and precipitation hardening of an Elinvar alloy doped with Ti and Al during isothermal aging at 700℃ have been investigated by atom probe field ion microscopy and microhardness measurements.The γ′ precipiates are spherical and coherent with the matrix.The chemical compo...

关键词: Elinvar alloy , null , null , null , null

SCALING LAW OF IRREGULAR EUTECTIC IN DIRECTIONAL SOLIDIFICATION

LIU Junming LIU Zhiguo WU Zhuangchun Nanjing University , China LIU Junming , lecturer , National Laboratory of Solid State Microstructuros , Nanjing University , Nanjing 210008 , China

金属学报(英文版)

The profile features of the solidifying interface of the irregular Al-Si eutectic during directional solidification are studied by numerically solving a nonlinear coupling equation of directional solidification of this eutectic.The critical splitting point of the solidifying interface coincides with...

关键词: irregular Al-Si eutectic , null , null

Dendritic Deposition of NH_4CI Crystals with Free Surface as Simulations of Surface Solidification of Materials

Junming LIU Zhiguo LIU Zhuangchun WU National Lab.of Solid State Microstructures , Nanjing University , Nanjing 210008 , China

材料科学技术（英文）

As a simulation of surface solidification of materials,quasi-two dimensional dendritic deposition of ammonium chloride(NH_4Cl)crystals from an aqueous solution film with free surface by vapourization was investigated by the in- situ observation technique.The depositing morphologies of NH_4Cl crystal...

关键词: surface deposition , null , null , null

出版年份

• 2014年1篇

刊物分类

• 材料开发与应用1篇

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