铌对过冷灰铸铁的基体组织无明显影响。
准贝氏体是高强度超级钢的一种理想的基体组织。
Meta bainite is also a desirable matrix for development of high strength ultra grade steel.
研究了回火工艺对无限冷硬轧辊表层基体组织的影响。
Effects of different tempering processes on surface microstructure of indefinite chill cast-iron roller were studied.
试验研究了元素锑对蠕铁石墨形态、基体组织及性能的影响。
Effects of antimony on graphite morphology, matrix and properties were studied by experiment.
基体组织:珠光体含量不小于90%,碳化物不大于1%;
Matrix: Pearlite should be more than 90% with carbide less than 1%;
但在常温下使基体组织发生变化需要庞大的脉冲发生器组,成本造价高。
But in normal temperature this change needs huge current pulse generator which cost is expensive.
从基体组织和沉淀相质点等方面分析了时效强化铝合金机械性能的变化规律。
From base structures and precipitated phase particles and other aspects, this paper analyses the changing laws of age-hardening aluminium alloys 'mechanical properties.
结果表明,在热循环过程中基体组织发生动态回复和再结晶,材料产生循环软化;
The results show that the matrix in the microstructure occurs dynamic recovery and recrystallization and the materials generate cyclic softening during thermal cycling.
同时缸套耐磨性是基体组织、硬质相、珩磨、石墨、硬度多种因素综合作用的结果。
So the abrasion resistance of cylinder is a matrix, hard phase, honing, graphite, and the hardness result of multiple factors.
ADI水脆化是由于水分解的氢使adi基体组织中的应力诱变产生马氏体引起氢脆而导致的。
ADI water embrittlement was attributed to the decomposed hydrogen originated from water, resulting in hydrogen embrittlement of stress induced martensite in ADI matrix.
分析了高强度合成铸铁中石墨和基体组织的形成过程,并将其与普通灰铸铁的显微组织进行对比。
The formation process of graphite and matrix structure in high strength synthetic casting iron was analyzed and compared with the microstructure of common grey iron.
研究了国产GH220合金涡轮叶片经236小时台架试车后的表面渗层、基体组织与合金性能的变化。
The changes of surface coating, basic structures and mechanical proper-tie? in first stage turbine blade of GH220 alloy tested by engine rig for 236 hour? has been investigated.
与传统的等温淬火工艺相比,“两步法”组织得到显著细化,而基体组织中残余奥氏体体积分数及含碳量无明显不同。
Compared with traditional austempered process, this new method would obtain much finer structure with nearly same volume fraction of retained austenite in matrix and carbon content of austenite.
结果表明,钒的加入可显著细化高铬铸铁的基体组织,改变了碳化物的形态及分布,提高了高铬铸铁硬度及耐磨性能。
It is found that adding vanadium can refine the high-chromium cast iron matrix, change the carbide morphology and distribution, improve the hardness and wear resistance of high chromium cast iron.
本发明的优点是:可有效增加堆焊合金中的石墨数量,同时减少基体组织的含碳量并提高其合金化程度和基体的强韧性。
The present invention has the advantages of effective increasing of graphite in pile-up alloy, reduced carbon content in the base tissue, raised alloying degree and raised toughness.
模拟结果表明:第二相粒子对基体组织具有钉扎作用,当粒子体积分数一定时,总体钉扎作用随着粒子尺寸的减小而增强;
The influences of second-phase particles with various sizes on grain growth process in the matrix of a two-phase material were simulated and quantitatively analyzed.
通过对不同基体组织轧制白口铁的金相组织、磨损表面和机械性能的分析,研究了具有不同基体组织轧制白口铁的磨损机理。
The abrasive mechanism of rolled white cast iron with various matrixes are studied by investigating the microstructure, abrasive surface and mechanical properties of specimens.
研究了不同含硫量和不同冷却速度下铈、镧和钕对铸铁石墨形态和基体组织的影响。试验表明,不同的稀土元素在铸铁中的行为是不一样的。同时,硫和冷却速度对稀土元素的作用有重要的影响。
In this paper, effects of Ce, La and nd on graphite morphology and matrix structure in cast iron with various sulphur content and under various cooling rate have been studied.
结果表明,细小、球形而又弥散分布的含硅夹杂相有利于细化基体晶粒,改善材料的内部微观组织结构。
The results show that the fine, spherical and dispersed inclusion contained Si is in favored of refining matrix crystals and optimizing internal microstructure of the alloy.
研究分析了合金过渡层与金属基体接合界面组织结构。
The microstructure between alloy transition layer and base metal has been studied.
研究发现,原材料的带状组织和淬火工艺的不合理是造成锯片基体淬火变形的两个主要原因。
Our study was found that two main reasons making the circular saw blades matrix distortion in quenching were banded structure and the unreasonable quenching process.
认为可以根据碳化物颗粒大小,基体露出多少为主的原则,把其分为低级别组织和高级别组织进行参考评级。
According to the size of carbides and the amount of exposed matrix, the annealed structure can be divided into low and high grades.
陶瓷熔覆层的组织为柱状晶。其生长方向与基体表面垂直。
The microstructure of the ceramic layer is columnar and its growth direction is perpendicular to the substrate surface.
热疲劳抗力对基体的显微组织不敏感。
硼、碳分别是决定硼化物和基体的重要元素,其含量对组织和性能起决定作用。
Boron and carbon are the important elements that can decide boride and matrix respectively, and their contents affect the microstructure and properties of the HBIA greatly.
具有马氏体基体的高铬铸铁,有理想的耐磨组织,但通常要通过热处理才能得到。
However, the martensitic matrix of high-chromium cast iron has excellent abrasion-resistant tissues, which used to be obtained only by means of heat treatment.
通过含铌与不含铌基体钢气体软氮化工艺对比实验,初步探索了合金元素铌对基体钢软氮化渗层组织与性能的影响。
This paper has investigated the influence of alloying element Nb on structure and properties of the soft nitriding layer by means of experiments of the matrix steels containing Nb and Nbfree.
试验表明,变质和细化元素的添加对该金属基复合材料组织的影响与相应的基体合金一致。
Experimental results showed that, due to the addition of modification or refinement elements, the changes in the structure of the composite were identical with that of unreinforced matrix alloy.
用透射电子显微镜观察分析了增强体与基体合金界面的微观组织结构。
Also the microstructures at the interface of fiber and matrix were observed and analyzed through TEM.
维氏硬度测试结果显示,出现在愈合区的铁素体组织维氏硬度高于基体区铁素体组织,可能原因是愈合区中出现的多边晶块结构所引发的强化。
Vickers hardness test showed that the hardness of ferrite in healing area is higher than that in matrix, which may result from the strengthening of polyangular grains.
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