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- 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]
- 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。
- Hallum, D. L. and Baeslack, W. A., “Nature of Grain Refinement in Titanium Alloy Welds by Microcooler Inoculation,” welding journal, pp. 326-336, September 1990. 高道钢,钛焊接技术,全华科技图书股份有限公司,台北,第二章第3-10
- Modification time and content of Ce have the significant effects on grain refinement in the eutectic Al-Si alloy. The desirable modification effects can be observed with 1% Ce addition for 60~90 min. Ce的变质处理时间和加入量也会影响变质效果,Ce在共晶Al-Si合金中的最佳加入量(质量分数,下同)为1%25,最佳变质处理时间为60~90min。
- The ways and the mechanisms of grain refinement in Cu-Base shape memory alloys are especially described. The effect of grain refinement on mechanical and memorial properties are discussed. 介绍了铜基形状记忆合金的晶粒细化方法及机理,论述了晶粒细化对铜基形状记忆合金力学性能和记忆性能的影响。
- EFFECT OF BORON ON AUSTENITIC GRAIN REFINEMENT IN 18Ni(2450MPa) MARAGING STEEL 硼在18Ni(2450MPa)马氏体时效钢细化晶粒中的作用
- The Effect of W and Ni on the Microstructure and Toughness of Weld Metal Deposited by Submerged Arc Welding for Joining of 15Mn V N Steel 合金元素W、Ni对15MnVN钢单道埋弧焊焊缝金属组织和韧性的影响
- His legs sprawl out in V while he was watching TV. 他看电视时双腿呈V字形伸开。
- 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。
- Marked by refinement in taste and manners; cultured; polished. 高尚的,有教养的品味和举止优雅的; 有文化的; 有修养的
- TECHNOLOGICAL STUDIES ON EQUIAXED GRAIN REFINEMENT IN TC11 Ti ALLOY BAR TC11钛合金棒材显微组织等轴细晶化工艺研究
- Grain Refinement in V-N Steel 钒氮钢中的晶粒细化研究
- Keywords V(C;N);intragranular ferrite;grain refinement; 晶内铁素体;晶粒细化;
- It reached its greatest refinement in the works of Hafez. 哈菲兹的作品被认为是波斯最好的抒情诗。
- The effect of stable magnetic field on grain refinement was investigated in the case of low carbon Mn Nb steel transformation from austenite to ferrite and pearlite. 研究了在低碳锰铌钢的奥氏体向铁素体和珠光体转变的过程中外加稳恒磁场的晶粒细化作用。
- Steel refining in Kaohsiung in the late 1940s, after Retrocession. 这是台湾光复初期,高雄炼钢厂处理铁砂的情景。
- Results Ft,-Ft, V N, N-Op, Fb-Sr, Zm-So, Dbr, Pra-N in male were significantly larger than those in female, a... 结论眉弓轮廓存在性别差异,并有随年龄增大而前突的趋势。
- In order to increase yield strength of commercial microalloyed steel from 400MPa to 800MPa, grain refinement and high purity are taken into consideration. 为了将目前商业化微合金钢的屈服强度由40MPa级提高到800MPa级;拟采用超细晶粒和高洁净度的方法来提高强度和寿命.
- Research on Behavior of Grain Refinement in Metal-ceramic Surface Fine Composite Coating by Laser Cladding 激光熔覆金属陶瓷细晶复合涂层晶粒细化行为研究
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