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The coarse needle-like or nubby Al9FeNi phase existed in the cast microstructure of high content Fe and Ni alloy 2618(2#). After hot extrusion, it was broken into coarse multi-angle Al9FeNi particles. The contents of Fe and Ni have no effect on aging characteristic and the hardness of the alloy after aging.

含锆的高铁、镍2618合金经熔体高温过热处理后(4#)，在合金铸态组织中获得均匀细小的针片状Al_9FeNi相，热挤压后获得均匀细小的颗粒Al_9FeNi相；弥散Al_3Zr粒子的存在可使2618合金得到细小的再结晶晶粒组织，该合金既可获得较高的高温强度，还可获得较高的延伸率。

The purpose of this paper is to use the endochronic theory combined with the principle of virtual work to simulate the mechanical behavior (the relationship of bending moment, curvature and ovalization) of two different circular tubes, namely a SAE-4130 low-alloy steel tube and a 7075-T6 aluminum alloy tube, subjected to cyclic bending.

本文是将内涵时间理论结合虚功原理延伸去描述两种圆管，SAE-4130低合金钢管及7075-T6铝合金管，在循环弯曲负载下所呈现的力学行为（弯矩、曲度及椭圆化关系）。

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。

It is researched the influence of cooling rate and the content of silicon and manganese alloy on peritectic reaction and position of peritectic point in Fe-C alloy.

研究了冷却速率和硅、锰合金元素含量对Fe-C合金的包晶反应和包晶点位置的影响；由于CSP薄板坯冷却速率快，Fe-C相图向左下方移动，包晶反应区域的碳含量为0。

The article introduces the development and application of alloy steel pipe, and also the design thought, basic requirement and object quality of physicochemic and mechanical property of X80 alloy steel based on the working condition of Second West to East Gas Pipeline Project.

简单介绍了管线钢的发展和应用，介绍了西气东输二线工况用X80钢的理化、力学性能的设计思路、基本要求以及实物质量。

The present invention provides a manufacturing method and manufacturing apparatus for an aluminum alloy base for a planographic printing plate for obtaining an alloy cast sheet of stable quality having a uniform and fine cast structure.

本发明是为获得具有均匀细微铸造组织质量稳定的合金铸造板，而提供平版印刷版用铝合金支撑体的制造方法和制造装置。

The recovery stress rate of the TiNi alloy increases with increasing prestrain level, but that of the TiNiCu alloy decreases with increasing prestrain level.

对于TiNi合金，回复力随温度增长的速率随着预应变的增加而增加，而TiNiCu合金的回复力随温度增长的速率随着预应变的增加而减小。

The results showed that adding Sc to the alloy could cause the transformation of phase structure and the composition of the pre-separation phase in the transitional region of the quintary alloy.

6Al10Ti5五元锆基块体非晶态合金在非晶态-晶态过渡区中先析相的相结构及组织形态。

The formation of secondary phase in the non-equilibrium peritectic reaction was observed by precise transmission electron microscopy analysis. The microstructural evolution and phase selection regularities under different solidification velocities were constructed from the laser resolidification experiments. A new phenomenon involving two-phase coupled growth was firstly detected in the rapidly solidified Ti-Al peritectic alloy. The Ti-45Al-2Cr-2Nb alloy with fully lamellar structure ( a 2+ g ) was taken as an object to investigate the possible preparation of bulky metastable g phase materials based on both adjusting the competing nucleation relation and changing the growth kinetics condition.

首先通过过冷合金微观组织分析界定了各包晶合金熔体中各竞争相以初生相出现的过冷度区间；结合高温区的相图计算，从各相形核孕育时间角度揭示了过冷熔体中亚稳相与稳定相的竞争形核关系；通过精细微观组织分析，阐明了远离平衡时包晶反应中次生相的形成机理；在激光重凝快速凝固实验中建立了不同凝固速度下合金的组织与相形成规律，并对包晶合金中两相共生生长行为进行了深入分析；最后选取初生相为 a 的全层片 Ti-45Al-2Cr-2Nb 合金，从调整各相竞争形核关系和改变晶体生长动力学条件两个方面探索了块状亚稳 g 相材料的制备和控制。

Its subject coverage includes: removal of phosphorus from carbon and alloy (including high alloy and stainless) steel baths in the converter; fluxes, flux action; blowing; slag formation and dynamics; slag/melt interaction; slagless refining; continuous processes; treatment of secondary metal melts; effect of treatment methods on final product quality and pr

它的主题涉及的范围包括：转炉中从碳和合金钢液池除磷；助熔剂，助熔作用；吹炼；炉渣形态和动力学；矿渣/溶解交互作用；无渣精炼；连续过程；再生金属融解处理；最终产品质量和性能处理方法的作用；钢特性中磷水平的作用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。