Microstructure and room temperature tensile properties of 1 μm-SiCp/AZ31B magnesium matrix composite
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چکیده
منابع مشابه
1 Microstructure , texture and tensile properties of ultrafine / nano grained 1 magnesium alloy processed by accumulative back extrusion
Microstructure, texture and tensile properties of ultrafine/nano grained 1 magnesium alloy processed by accumulative back extrusion 2 3 S.M. Fatemi, A. Zarei-Hanzaki, J.M. Cabrera 4 5 a School of Mechanical Engineering, Shahid Rajaee Teacher Training University, 136-16785, Tehran, Iran 6 b Department of Metallurgical & Materials Engineering, University of Tehran, 515-14395, Tehran, Iran 7 c Dep...
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1 緒 言 工具や軸受,ゲ ージなどの精密部品では残留オーステ ナイ ト(rR)が存在すると硬 さや疲労寿命の低下,切 削性 不良あるいは経年形状変化を招きそれらの性質に有害な 影響をもたらす.そ れゆえ,こ れ らに使用する鋼では rRを 極力減少させ るのが好 ましい.し か しなが ら,rR が低合金構造用鋼に存在する場合には延性やじん性が向 上するとともに低温におけるぜい性破壊の防止に役立つ 場合が多い.そ れゆえ,最 近進んで熱処理によって人 為的にrRの 量や存在形態を調整 し混合組織 として優れ た機械的性質 を得ようとす る研究が しばしば見受 けら れ1)~6)る.こ のようなrRを 積極的に利用 しようとする方法 として,近 年Si-Mn鋼 をベイナイ ト変態させるオース テンパー処理が注 目されている. Si-Mn鋼 をベイナイ ト変態 させた場合多量のrRが ...
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ژورنال
عنوان ژورنال: Journal of Magnesium and Alloys
سال: 2015
ISSN: 2213-9567
DOI: 10.1016/j.jma.2015.03.001