含铁碳化物或含碳铁的固体溶体,冷却可形成珠光体或马氏体。
A solid solution of ferric carbide or carbon in iron; cools to form pearlite or marten site.
选用三种不同碳、铬含量的耐磨钢,通过热处理获得不同数量的二次碳化物和马氏体基体。
The effects of varying the amount of secondary carbide on the character of matrix under three-body abrasion of wear resistant steel have been investigated.
通过试验研究了不同碳、铬含量对不锈轴承钢的显微组织、碳化物、硬度和接触疲劳寿命的影响。
This research studies the effect of different carbon and chrome content on the microstructure, carbides, hardness and contact fatigue life of the stainless bearing steel.
碳化物覆层成长速度主要受基体中的碳活度、处理温度和时间等因素控制。
Growth velocity of carbide coating is affected by factors such as the activity of carbon in matrix and treatment temperature.
当金属含量较高时,这种碳笼结构的金属富勒烯化合物转变为金属碳化物。
When the transition metal content increases, the carbon cage can break up and metal carbides are formed.
奥氏体晶粒大小、碳化物尺寸及马氏体中含碳量是主要控制因素。
It was pointed out that the main governing factors were prior austenite size, carbide size and carbon content in the martensites.
通过降低钢中的碳及碳化物形成元素的含量可减少CGHAZ中粒状贝氏体的数量,从而提高钢的CGHAZ的冲击韧性。
The content of granular bainite is decreased with the decrease of carbon and carbide forming elements, and the impact toughness of CGHAZ of the steel is increased at the same time.
目前,正丁烷脱氢异构催化剂可以分为两类,过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。
The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.
碳烯和硅烯是分属于碳化物和硅化物中的两类反应活性中间体。两者甚为相似。
Carbene and silylene are two kinds of reactive activity intermediates which belong to carbide and silicide separately, but they are quite similar.
对碳、硅对低合金白口铁中碳化物形态在高温下的变化程度的影响进行了试验研究。
The tests and research are made on the effects of carbon and silicon amount on the deforming extent of the carbide form contained in white cast iron of dilute alloy under high temperature.
精锻机锻造高碳铬轴承钢时存在网状碳化物不易破碎、锻件合格率低的问题。
While forging the high-carbon chromium bearing steel by the finish forge press, there still remains the issues that the carbide network can not be crushed with the low qualification rate.
堆焊层显微组织为低碳马氏体和碳化物。
The microstructure of surfacing metal is lath martensite and carbide.
研究了合金化变质改性对提高奥氏体锰钢基体碳含量,改变析出碳化物形态及分布的影响。
In this paper the effect of alloyed modification for carbon content, carbide shape and distribution in austenitic manganese steel has been studied.
碳化物一种二元化合物,由碳和一个电正性的元素,尤指钙,组成。
A binary compound consisting of carbon and a more electropositive element, especially calcium.
低碳含量,稀土变质处理改变碳化物为断开分布的板块状都可起有利影响。
Low carbon content and rare earth modification to improve the morphology and distribution of carbide are both advantageous.
增碳层中的碳化物主要为M_(23)C_6。马氏体带由位错马氏体、孪晶马氏体、残余奥氏体和少量碳化物组成;
The carbonide in the recarburized layer is mainly M23C6. The martensitic zone is composed of dislocation martensite, twinning martensite, residual austenite and a little carbonide.
结果表明:碳含量较低时,仅形成钒的碳化物,铬、钼元素主要固溶于钒的碳化物中。
The results show that only vanadium carbides form at the low carbon content, and Cr and Mo element mainly dissolves into vanadium carbides.
结果表明,采用该工艺可获得高密度、高碳含量、具有马氏体、贝氏体和网状碳化物组织的粉末冶金气门座。
The results show that P/M valve seats using this technology has high density and high carbon content , and their microstructure are martensite , bainite and network carbide.
提出了控制表面碳浓度、碳浓度分布和碳化物形态的方法和途径。
The methods as how to control the surface carbon concentration, carbon profiles and the morphology of carbides have been put forward.
通过改变高铬铸铁中的碳含量,而保持其它组分基本不变,得到M_7C_3型碳化物含量在9~42%之间的一系列合金。
A series of high-Cr cast irons (15Cr-2Mo type) samples of 5 different carbon contents range from 2-4%, and consequently the volume contents of the M_7C_3 carbides range from 9 to 42% are prepared.
通过改变高铬铸铁中的碳含量,而保持其它组分基本不变,得到M_7C_3型碳化物含量在9~42%之间的一系列合金。
A series of high-Cr cast irons (15Cr-2Mo type) samples of 5 different carbon contents range from 2-4%, and consequently the volume contents of the M_7C_3 carbides range from 9 to 42% are prepared.
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