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phase. 3) Based on the results, ceramic dispersion strengthening composites with ultrafine ceramic particles using a liquid metal casting method is possible by the help of the addition of SHS processed... Dispersion of ultrafine SiC particles in molten Al-12Si alloy Jin-Ju PARK, Sang-Hoon LEE, Min-Ku LEE, Chang-Kyu RHEE Nuclear Materials Research Division, Korea Atomic Energy Research Institute......
solution strengthening; dispersion strengthening 镁合金因其密度小,比强度和比刚度高,减震和降噪性能好,尺寸稳定等优点备受汽车工业与航空工业的青睐[1].但镁合金的耐磨耐蚀性较差,从而限制了它的广泛应用.通过添加合金元素可以提高镁合金的耐磨耐蚀性,但会导致合金元素的偏析,或者生成脆性的金属间化合物相.因此,为了满足实际应用的需求,可以只改变镁合... Press, 2003: 34-39. [20] 陈菊芳, 张永康, 李仁兴, 秦海永. AM50A 镁合金激光表面重熔层的强化效果与机理[J]. 中国有色金属学报, 2008, 18(8): 1426-1431.CHEN Ju-fang, ZHANG Yong-kang, LI Ren-xing, QIN Hai-yong. Strengthening effect and mechanism......
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of β-phase can also result in strengthening the melted layer. Key words: AM50A magnesium alloy; laser surface melting; fine grain strengthening; solid solution strengthening; dispersion strengthening... 固溶度的增加及β相的弥散析出也有一定的强化效果. 关键词:AM50A镁合金;激光表面熔凝;细晶强化;固溶强化;弥散强化 中图分类号:TN 249; TG 156.99 文献标识码:A Strengthening effect and mechanism of laser surface melted AM50A magnesium......
; oxide nanoparticles; microstructure; tensile strength; dispersion strengthening Cite this article as: SUN Yu-zhou, LIN Nan, ZHANG Wu-jun, ZHANG Yong-sen, LI Zhong-tao, HAN Xian-qi, WU Zheng-gang.... The dispersion particles in ODS steels with Al addition are identified as Al2O3 and Y2Ti2O7 nanoparticles, which has a heterogeneous size distribution in the range of 5 nm to 300 nm. Increasing Al addition......
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耐热铝合金研究进展 费良军1,陈大辉1,贾祥磊1,朱秀荣1 (1.中国兵器科学研究院,宁波分院,浙江,宁波,315103) 摘要:耐热铝合金具有良好的中温性能,在兵器,航空,航天以及汽车工业中应用广泛.综述国内外耐热铝合金材料的研究进展,重点介绍合金元素对铝合金耐热性的影响;从固溶强化,弥散强化,过剩相强化和晶界强化几个方面介绍了耐热铝合金的强化机理:并展望耐热铝合金的发展趋势. 关键词:耐热铝合金; 强化机制; 综述; 弥散强化; 固溶强化; heat-resistant aluminium alloy; strengthening mechanism; review; dispersion strengthening; solution strengthening; [全文内容正在添加中] ......
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visible irradiation hardening, crack and flaking on the material surface.Key words:tungsten-base plasma facing material; dispersion strengthening; irradiation effect... of tungsten remarkablely, and results in the reduction of irradiation resistance and increase in density of hydrogen blisters and hydrogen retention. When TiC nanoparticles are used as dispersion phase......
J. Cent. South Univ. Technol. (2008) 15: 663-668 DOI: 10.1007/s11771-008-0123-7 Dispersion mechanism of nano-magnetite coated with oleate in aqueous carrier HU Yue-hua(胡岳华), LIU Jian-ping(刘建平...; Abstract: To investigate dispersion mechanism of water-based ferrofluid......