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J. Cent. South Univ. (2020) 27: 478-489 DOI: https://doi.org/10.1007/s11771-020-4310-5 Effect of moving baffle on average velocity and mixing of binary particles in rotating drums ZHANG Li-dong(张立栋... the motion and mixing of particles in rotating drums. To obtain its influence on binary particles, horizontal rotating drums provided with a moving baffle were investigated by discrete element method (DEM......
under two-body abrasive and dry sliding wear test condition at room temperature. The results show that WC particles have a uniform distribution in the coatings, which consists of the primary phase (TiW)C... particles reinforced composite coatings LIU Jian-di, ZHANG Shu-quan, WANG Hua-ming (Engineering Research Center of Ministry of Education on Laser Direct Manufacturing for Large Metallic......
of second-phase particles on the properties of W-based materials under high-heat loading[J]. Nuclear Materials and Energy, 2016, 9: 399-404. [35] TAN X Y, LUO L M, LU Z L, LUO G N, ZAN X, CHENG J G, WU.... Key words: tungsten based materials; plasma facing material; heat load; second phase doping; superfine grain tungsten Foundation item: Project(2014GB121001B) supported by the National Magnetic......
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. The thermostable and bulky second phase is another main reason for the declining the mechanical properties of as-cast AZ31B alloy. The bulky second phase is the main reason to result in the declining... the second phase are adequately refined by large deformation. Key words: wrought magnesium alloy; AZ31 Mg alloy; rare earth; second phase 稀土元素常被添加到镁合金中提高合金的性 能[1].LIU等[2]研究发现AM60合金中添加Ce和La提高......
X80管线钢的冲击断裂行为邓伟1,高秀华1,秦小梅1,赵德文1,杜林秀1,王国栋1(1.辽宁省沈阳市东北大学轧制技术及连轧自动化国家重点实验室)摘 要:在-20和-60℃对X80管线钢进行Charpy冲击实验,用SEM-EDS对断口进行形貌和夹杂物成分分析,并将断口切开进行金相和EBSD观察,研究X80管线钢的冲击断裂行为.结果表明:温度对X80管线钢最大冲击载荷影响较小,但随实验温度降低,裂纹形成功,裂纹扩展功和止裂后吸收的能量显著减小.在冲击断裂过程中强烈的拉应力作用使断口附近产生变形带,晶粒沿与主裂纹垂直......
] MUKHOPADHYAY A K. On the nature of the second phase particles present in an as-cast Al-Cu-Mg-Ag alloy[J]. Scripta Materialia, 1999, 41(6): 667-672. [10] MONDAL C, MUKHOPADHYAY A K. On the nature of T... structure decreases with the increase of holding time and disappears after 24 h. The size and morphology of Al7Cu2Fe particles exhibit no change during the heat treatment. It is found that the Al2CuMg phase......
exhibit high damping. In fact, the experimental results are contradictory to above analysis. Second, the dislocations are anchored at the interface of eutectic phase. Third, the eutectic phase may... binary alloy phase diagrams (electronic version) [M]. Second Edition. Ohio: ASM International Materials Park, 1990. [6] LAMBRI O A, RIEHEMANN W, LUCIONI E J, BOLMARO R E. Mechanical spectroscopy......
that the second phases exhibit significant effect of pinning grain boundaries, and that β phase deforms and the strain partly transfers from the matrix to the β phase. Key words: Mg-Gd-Y-Zr alloy; hot rolling; second phase; superplastic behavior; microstructure 金属板材成形是制造薄壁轻质......
J. Cent. South Univ. (2018) 25: 1708-1716 DOI: https://doi.org/10.1007/s11771-018-3862-0 Heat transfer performance testing of a new type of phase change heat sink for high power light emitting... of the limitations of solid metal heat sink in the heat dissipation of high power light emitting diode (LED), a kind of miniaturized phase change heat sink is developed for high power LED packaging......