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- inoculation grain refinement strengthening 变质处理细晶强化
- 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 refining strengthening 晶粒细化强化
- 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。
- grain refinement strengthening 细晶强化
- Grain refine strengthening 细晶强化
- 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。
- 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 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。
- 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。
- An acidic Zn-P alloy plating solution is recommended,in which tartaric acid,dextrin and boric acid are used as grain refining agents,and salicylaldehyde and glycine act as brighteners to obtain fine and bright deposits. 在推荐的酸性镍磷合金镀液中,用酒石酸、糊精、硼酸作镀层晶粒细化剂,水杨醛、甘氨酸作光亮剂,能获得细致、光亮的镀层。
- 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。
- 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。
- Abstract Reverse austenization,grain refining and effect of grain refined structure on mechanical properties of a high strength maraging stainless steel were studied. 摘要 研究了一种高强度马氏体时效不锈钢逆转变奥氏体再结晶规律、细化晶粒工艺及细晶组织对力学性能的影响。
- Reverse austenization,grain refining and effect of grain refined structure on mechanical properties of a high strength maraging stainless steel were studied. 研究了一种高强度马氏体时效不锈钢逆转变奥氏体再结晶规律、细化晶粒工艺及细晶组织对力学性能的影响。
- 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。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
