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- inoculation grain refinement strengthening 变质处理细晶强化
- Grain refine strengthening 细晶强化
- Keywords Al 2O 3;SiC;ceramic nanocomposite;strengthening mechanism;intragranular particle strengthening;grain refining strengthening; 氧化铝;碳化硅;纳米陶瓷复合材料;强化机理;内晶颗粒强化;晶粒细化强化;
- grain refinement strengthening 细晶强化
- grain refining strengthening 晶粒细化强化
- 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。
- Scandium in these alloys exhibits obvious grain refining,improved strength and serves to inhibit recrystallization in Al alloys,strengthen welds and eliminate hot cracking from welds. 钪对铝合金有明显的晶粒细化作用,提高了铝合金强度,抑制了再结晶,强化了焊缝,消除了焊缝出现的热裂。
- 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。
- It is a systematic attempt to strengthen our competitive ability. 那是为增强我们的竞争能力而作的有计划的努力。
- 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。
- 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 grain crop has gone down this year. 今年的粮食作物产量下降了。
