查询词典 alloying

In conclusion , a kind of innoxious lead-free solder with better wettability , good mechanical properties and low costs is obtained finally, by alloying method which can improve the properties of the soldering alloy.

总之，通过合金化的方法来改善无铅钎料合金的性能，最终得到一种无毒

The result shows that modification can make the β-Si phase thin when the joining amount is 0.3wt%, making the best modification result. Alloying elements Mn and Ni are always used to neutralize iron"s harm in aluminum alloys. They can form many kinds of complicated metallically compounds with Fe and Al, and eliminate needle-like iron-rich phases to reduce iron"s harm in Al-Fe alloy. Copper makes the alloy microstructure thick and electromagnetic stirring obviously makes the alloy microstructure thin, round the second phase, when the stirring voltage is 200V, making the best result; Reheat makes liquid phases emerge in the alloy, when the warming temperature is 650?

研究结果表明：红磷可以明显细化合金中的初晶硅，当加入量为0.3wt%时，取得最佳变质效果；锰、镍合金中加入后，通过形成多种复杂金属间化合物，细化针片状富铁相，减小铁对铝硅合金性能的危害；铜使合金微观组织发生粗化；电磁搅拌明显细化合金组织，使第二相圆整化，搅拌电压为200V时，取得最佳细化效果；二次加热使合金组织中产生部分液相，在650？

Both mechanical alloying and hot pressing technologies were successfully used to get dense, microgranular Laves phase TiCr〓 with homogeneous composition and structure, and the room temperature mechanical properties of the Laves phase TiCr〓 were greatly enhanced.

首次采用机械合金化+热压技术成功地得到了致密的、成分和组织均匀、具有微晶结构的Laves相TiCr〓，极大地提高了Laves相TiCr〓的室温力学性能。

That suggests the idea that using multivariant alloying to substitute cobalt is feasible.

由此说明，在胎体材料设计思路中以多元合金化代替钴是完全可行的。

The coefficients of the function were determined by multivariant stepwise linear regression. Effect of alloying elements was quantitatively demonstrated.

磷、铜提高钢的耐大气腐蚀性能；硫急剧降低钢的耐大气腐蚀性；硫、磷含量在很小范围内即有明显作用。

This paper refers to a study on the process and principle of mechanical alloying of an ODS nickel-base superalloy.

本文对一种氧化物弥散强化镍基高温合金的机械合金化工艺、过程及原理进行了研究。

While electrode performance of these materials was deter mined by the simulated battery test. Based on these results, the effects of the mechanical alloying, the composition with AB5 hydrog en st orage alloys and electroless plating on the electrode capacity of Mg2Ni hydrogen storage alloys were discussed.

利用X射线衍射、扫描电镜分析了经过处理的材料的微观结构，并用模拟电池法测定了该材料的电极性能，并讨论了化学镀和与AB5型储氢合金复合等因素对Mg2Ni合金电极特性的影响。

Based on the failure analysis of hot roll, this paper optimizedly adjusts alloy system and summarizes the experience of rolling wiresand improves ail processing properties. Then, it analyses the effects on some natural parameters such as alloy transfer coefficient, surfacing layers, welding current and arc voltage etc.. It confirms the fitting ageing technique. Also, it discusses the microscopic structural transformation back and forth ageing and the effects on hardness change of overlaying metal by some alloying elements including C, Cr, V, W, Mo, Ni, Mn, B, Re through OM, SEM and X-ray diffraction analyses. Finally the abrasive resistance, red hardness, thermal fatigue property and anti-high temperature oxidability are investigated in experimentation.

全文在热轧辊失效分析的基础上优化调整合金体系，总结了焊丝轧制的经验，改善各种工艺性能，分析了几个特性参数的影响，确定了适宜的时效工艺，并通过光学显微镜、扫描电镜和X-射线衍射对时效前后的显微组织转变以及部分合金元素如C、Cr、V、W、Mo、Ni、Mn、B、Re对堆焊层硬度变化的影响进行分析，最后通过试验考察了堆焊层金属的耐磨粒磨损性能、红硬性、耐热疲劳性和抗高温氧化性。

The effect of aluminium alloying in different addition on the precitation behaviour and amount of proeutectoid carbide in ultrahigh carbon steels were investigated by phase equilibrium thermodynamics calculation and SEM analysis for the microstructure after quenching.

通过对不同铝含量超高碳钢的相平衡热力学计算、热处理工艺试验以及扫描电镜的微观组织观察，研究了铝合金化对超高碳钢先共析碳化物的数量和析出行为的影响。

Al /AlLi-Mg〓Si and α/TiAl〓-Mg〓Si pseudobinary directional eutectic composites with fine structural integrity were achieved by investigating the influence of various amounts of alloying Li and Ti on the eutectic line, the preferred eutectic reaction point and the range in which eutectic structure appears in Al-Mg-Si system, through which the modification on the matrix and strengthening phase in this system was realised.

通过考察不同含量Li和Ti合金化对Al-Mg-Si系中共晶线、最佳共晶成分点及产生共晶组织的范围的影响，制备了组织完整性良好的α/AlLi-Mg〓Si和α/TiAl〓-Mg〓Si伪二元定向共晶复合体，从而实现了对其基体和强化相的调整。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。