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检索条件:关键词=Grain size  

  • 论文(12)

Influence of Annealing on the Grain Growth and Thermal Diffusivity of Nanostructured YSZ Thermal Barrier Coating

Na WANG , Chungen ZHOU , Shengkai GONG

材料科学技术(英文)

The nanostructured zirconia coatings were deposited by atmospherically plasma spraying. Scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction were used to investigate the microstructure of the zirconia coatings. Thermal diffusivity values at normal temperat...

关键词: Grain size , null , null , null

Measurement and Simulation of Grain Size in Strong Textured and Coarse-Grained Metal Sheets

Leng CHEN , Weimin MAO , Yongning YU , Huiping FENG

材料科学技术(英文)

An X-ray diffractometer that equipped with a two-dimensional detector is used for developing the technique of grain size measurement for strong textured and coarse-grained Si steel sheet. The method is based on the concept that the position of diffraction spots depends on the orientation of individu...

关键词: Grain size , null , null

Prediction of grain size for blade precision forging process under thermo-mechanical coupling

He YANG , Yuli LIU , Wang CAI , Mei ZHAN

材料科学技术(英文)

Blade precision forging is a high temperature and large plastic deformation process. Interact of deformation and heat conduction results in producing large temperature unevenness inside the billet. The unevenness has a great effect on the mechanical property and microstructure of the forged blade. H...

关键词: Blade , null , null , null

Experimental Investigation and Numerical Simulation of the Grain Size Evolution during Isothermal Forging of a TC6 Alloy

Miaoquan LI , Shankun XUE , Aiming XIONG , Shenghui CHEN

材料科学技术(英文)

Hot compression was conducted at a Thermecmaster-Z simulator, at deformation temperatures of 800~1040℃, with strain rates of 0.001~50 s-1 and height reduction of 50%. Grain size of the prior α phase was measured with a Leica LABOR-LUX12MFS/ST microscope to which QUANTIMET 500 software for image anal...

关键词: Titanium alloy , null , null , null , null

Dependence of Structure and Magnetic Properties on Annealing Temperature in Fe72.5Cu1Nb2V2Si13.5B9 alloy

Chunyan BAN , Wenqing GAO , Guiyi ZENG , Qixian BA , Hualin ZENG

材料科学技术(英文)

The magnetic properties of Fe72.5Cu1Nb2V2Si13.5B9 alloy are investigated from an amorphous to a nanocrystalline and complete crystalline state. The sample annealed at 550℃ for 0.5 h shows a homogeneous nanocrystalline structure and presents excellent soft magnetic properties. When the specimens were...

关键词: Fe72.5Cu1Nb2V2Si13.5B9 alloy , null , null , null

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