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- This study provides the foundation ac cording for developing the green solidification grain refine technique of aluminum alloy. 这一研究结果为开发铝合金绿色凝固细晶技术提供了基础依据。
- Several methods for refining grains including annealing, adding grain refiner and quenching were discussed. 讨论了细化晶粒的几种方法:退火、添加晶粒细化剂和激冷。
- Remarkable grain refinement and mixed grains phenomenon were found during sheet rolling in CSP. 前面道次中边部晶粒尺寸和表面晶粒尺寸比心部晶粒尺寸细小均匀,在终轧后差异变小。
- The effects of TiAl 3, TiB 2 and AlB 2 phases in the Al Ti B master alloy on grain refining of aluminium were studied. 研究了Al?Ti?B晶粒细化合金中各化合物相TiAl3、TiB2和AlB2对铝晶粒的细化作用。
- Keywords AlTiC;AlTiB;master alloy;grain refine;aluminum alloy; 中间合金;晶粒细化;铝合金;
- The results show that when adding Al-B master alloy in terms of the B/Ti mass ratio of 1:5, the ideal grain refining effect can be obtained. 结果表明,按硼钛质量比1:5的比例加入Al-B中间合金,可获得理想的晶粒细化效果。
- The grain refinement begins from the center ellipsoidal zone, and then gradually expands to the vertical edge zone and conical contact zone. 细化首先开始于易变形区,再相继扩展到纵向棱边区和接触锥形区。
- Al-5Ti-B alloy, one kind of grain refiners for aluminum and aluminum based alloys, was used as the experimental object of ECAP experiment. 本文选用铝及铝合金的细化剂Al-5Ti-B作为ECAP变形试样材料进行实验。
- Modification effect of Al-Ti-C-P on Al-Si alloy was also investigated. The microstructure of grain refiner was studied by OM,XRD,SEM and EDS. 通过扫描电镜(SEM)、光学显微镜(OM)、能谱分析(EDS)和X射线衍射仪(XRD)等手段,研究了Al-Ti-C-P晶粒细化剂的显微组织。
- The chemical composition,grain refinement methods,application situation and progress in wrought Al-Mn alloy were summarized. 综述了变形铝锰合金的化学成分、细化方法、应用现状及发展动态。
- The trunk will probably rupture when convection happens,and will result in spontaneous grain refinement in deeply undercooled melts. 当过冷度足够大时;一次枝晶可能发生缩颈;并在对流作用下于缩颈处熔断;导致晶粒的自身细化.
- The author is planning to refine on his work of five years ago. 作者打算把他5年前的著作修改得更完美些。
- The results show that, increasing cooling rate, pre-deformation and grain refinement are useful for spreading of the non-equilibrium microstructure around the primary grains. 结果表明:增加冷却速率、预变形处理和晶粒细化有利于初始凝固组织中存在的非平衡组织的分散细化。
- Iwahashi Y, Horita Z, Nemoto M, et al.Process of grain refinement in equal-channel angular pressing [J].Acta Materialia, 1998, 46(9): 3317. 陆文林;王勇;冯泽舟;等.;沙漏挤压镦粗复合加工技术[J]
- The grain refining effects of several refiners in 5083 aluminium alloy flat ingot and 3003 aluminium alloy flat ingot are tested. 分别在普通模铸造的5083合金扁锭、隔热模铸造的3003合金扁锭中试验了各细化剂的细化晶粒的效果。
- Grain refinement, texture controlling and nonbasal slip system activation improve ductility of magnesium alloy remarkably, which are promising methods. 细化晶粒、控制织构、激活非基面滑移系可以显著改善镁合金的塑性，是较有前景的塑性改善方法。
- The mechanisms for ferrite grain refinement in TMCP mainly depends on the static ferrite transformation from work -hardened austenite... TMCP的晶粒细化主要靠加工硬化奥氏体的静态铁素体转变。新工艺晶粒细化主要靠形变诱导动态铁素体相变。
- Grain refining effect of Al-Ti-C master alloy on MgAl alloys [J].The Chinese Journal of Nonferrous Metal, 2003, 13(3): 622-625. AlTiC中间合金对Mg-Al合金的晶粒细化作用[J].;中国有色金属学报;2003;13(3):622-625
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- How can we remove the husk of the grains? 我们怎样去掉谷物的外皮？
