材料期刊网

Microstructure and Lattice Parameters of AlN Particle-Reinforced Magnesium Matrix Composites Fabricated by Powder Metallurgy

Jie Chen , Chong-Gao Bao , Yong Wang , Jin-Ling Liu , Challapalli Suryanarayana

金属学报(英文版) doi:10.1007/s40195-015-0333-6

Magnesium matrix composites reinforced with AlN particles were fabricated by the powder metallurgy technique. The evolution of lattice constants and solid solubility levels of Al in α-Mg and the microstructure of Mg-Al/AlN composites were investigated in the present study. The results showed that th...

关键词: Metal matrix composite , AlN particle , Microstructure , Lattice parameter , Powder metallurgy , Solid solubility

Analysis of density and mechanical properties of high velocity compacted iron powder

Jianzhong WANG

金属学报(英文版) doi:10.1016/S1006-7191(08)60122-2

A new method for producing higher density PM parts, high velocity compaction (HVC), was presented in the paper. Using water atomized pure iron powder without lubricant admixed as the staring material, ring samples were compacted by the technique. Scanning electron microscopy (SEM) and a computer con...

关键词: Powder metallurgy , high velocity compaction , green properties , stress wave , bending strength

Effect of Different Amounts of Graphite on the Sintering and Transverse Rupture Properties of Powder Metal Parts

Mustafa Boz , Adem Kurt , null , null

材料科学技术（英文）

Iron powders were mixed with graphite powders by 1~15 wt pct to produce block samples using powder metallurgy technique. The powders were blended in a three dimensional blender for 20 min and compacted in a die under 500 MPa by using a one directional press. Sinterability and mechanical properties o...

关键词: Powder metallurgy , null , null , null , null

Experimental Study and Finite Element Polycrystal Model Simulation of the Cold Rolling Textures in a Powder Metallurgy Processed Pure Aluminum Plate

Liqing CHEN , Naoyuki Kanetake

材料科学技术（英文）

Ingot metallurgy (IM) aluminum has long been the subject and attracted the attention of many metallurgists and textural researchers of materials. Due to the introduction of large amounts of ex situ interfaces, however, the textures in powder metallurgy (PM) processed aluminum has been rarely reporte...

关键词: Texture , null , null , null , null

A New Approach for Manufacturing a High Porosity Ti-6Al-4V Scaffolds for Biomedical Applications

Montasser DEWIDAR , H.Fouad MOHAMED

材料科学技术（英文）

Titanium and its alloys are currently considered as one of the most important metallic materials used in the biomedical applications, due to their excellent mechanical properties and superior biocompatibility. In the present study, a new effective method for fabricating high porosity titanium alloy ...

关键词: Ti-6Al-4V , null , null , null

A Novel near Net-Shape Technique for P/M Parts with Large H/D Ratio

Yong LIU , Baiyun HUANG , Kechao ZHOU , Hongwu OUYANG , Yuehui HE

材料科学技术（英文）

In order to overcome the shortcomings of conventional hot pressing, a novel near net-shape technique, called radial hot pressing, for P/M parts with large height-to-diameter (H/D) ratio was introduced. Effects of processing parameters on the microstructures and density of P/M TiAl base alloy valves ...

关键词: Near net-shape technique , null , null

Effect of Copper and Bronze Addition on Corrosion Resistance of Alloyed 316L Stainless Steel Cladded on Plain Carbon Steel by Powder Metallurgy

Wenjue CHEN , Yueying WU , Jianian SHEN

材料科学技术（英文）

A sandwich structure with cladding alloyed 316L stainless steel on plain carbon steel was prepared by means of powder metallurgy (PM) processing. Electrolytic Cu and prealloyed bronze (95Cu wt pct, 5Sn wt pct) were added in different contents up to 15 % into the surface cladded 316L layers and the e...

关键词: Surface cladding , null , null

Microstructure of in-situ Synthesized (TiB+TiC)/Ti Composites Prepared by Hot-pressing

Zhenzhu ZHENG , Lin GENG , Honglin WANG , Weimin ZHOU , Hongyu XU

材料科学技术（英文）

In-situ 5 vol.pct TiB whiskers and TiC particulates reinforced Ti composites were fabricated by blending Ti powder and B4C particulates followed by reactive hot-pressing. The microstructure of the composites was investigated by using differential scanning calorimetry (DSC), X-ray diffraction (XRD), ...

关键词: Ti matrix composite , null , null

Precipitation behavior of γ' phase in superalloy FGH96 under interrupted cooling test

稀有金属（英文版） doi:10.1007/s12598-013-0072-7

关键词:

N型和P型Si80Ge20合金制备及热电性能

毛斐 , 吴振兴 , 汤皎宁 , 王涵 , 刘正楷 , 龚晓钟

材料热处理学报

对N型Si80Ge20(P4)x及P型Si80Ge20Bx固溶体合金的化学计量比进行了研究,采用已总结出的最佳工艺条件,制备了一系列N型、P型固溶体合金,并比较了各系列样品的热电性能.结果表明,x=1.5的N型Si80Ge20(P4)x固溶体合金具备良好的热电性能,与未掺杂Si80Ge20固溶体合金...

关键词: 热电材料 , Si80Ge20 , 粉末冶金 , 热电性能