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- 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。
- In this paper, effects of new grain refiners on dendrite structures, microsegregation and precipitated phases of cast superalloy K4169 have been studied. 研究了新型晶粒细化剂对K4169高温合金枝晶组织、元素显微偏析和合金相的影响。
- 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。
- 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。
- 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。
- 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.
- 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]
- 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
- Because of the grain refining and recrystallization, the matrix was strengthened and the synthetic properties of nodular cast iron were improved. 由于晶粒细化和再结晶结果,基本得到强化,提高了球墨铸铁的综合性能。
- 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。
- This can obtain high cast.Cast crack of castings is prevented by grain refinement, strengthening deoxygen and dephosphorization. 通过采取细化晶粒、强化脱氧、脱磷来预防铸件产生裂纹。
- Through the chemical composition,changing stress,improving melt pureness and strengthening grain refining advanced solving the crackles methods. 从控制化学成分、调整铸造应力、提高熔体纯净度、加强晶粒细化等方面入手,防止7475铝合金扁锭铸造时发生裂纹、疏松缺陷。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- Structure herdeity and low temperature grain refining process of three kinds of steels with high hardenability was studied. 研究了三种高淬透性钢的组织遗传特性及低温晶粒细化工艺。
- At the present time, the researches on ZK60 magnesium alloys were focused on the grain refinement, superplasticity and composite material. 目前对于ZK60镁合金的研究主要集中在挤压态坯料的晶粒细化、超塑性、复合材料等方面,对于铸态ZK60镁合金的变形行为研究较少。
