The results show that the hardness has relation to vanadium carbides boundary.

结果表明,熔合区的硬度与该处碳化物的析出数量有关.

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Refractory metal and cemented carbides: steel, metal steel, tungsten metal, crucible etc.

难溶金属及制品: 高速钢 、 耐热合金钢 、 高比重钨合金 、 钼坩埚等.

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Molybdenum. Forms hard carbides for tool steel and high - speed steel uses.

钼加入工具钢和 高速钢 中形成强碳化物.

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Its microstructure is fine pearlite and carbides.

金相组织是细珠光体和碳化物.

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The exceptional tool performance of sintered carbides results from their very high hardness and compressive strength.

硬质合金材料的出色之处来源于它们非常高的硬度和耐压强度.

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The lower dislocation density in bainite is unfavourable for the aggregation and coarsening of carbides.

贝氏体中位错密度较低,不利于合金碳化物的聚集粗化.

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The slow dissolution of coarse cementite in bainite retards the precipitation rate of carbides during tempering.

回火时,贝氏体中粗大的渗碳体溶解较慢,减慢了合金碳化物的析出速率.

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This paper deals with the granular carbides formation from hot deformation in high chromiumsteel.

研究了高速纸机中具有闷头的空心铸钢辊结构的塑性极限和参数设计问题.

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Meanwhile, alloying agents can form carbides, so the hardness of bead welding layer is increased.

同时又由于合金元素能形成碳化物, 因此提高了堆焊层的硬度.

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The effect of adding rare earth elements, metals, metal carbides into cemented carbide, are summarized.

本文综述了向硬质合金中加入稀土元素 、 金属和(金属)碳化物对硬质合金性能的影响.

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In this paper, some aspects of turning die grade carbides with domesticPCD tools are studied experimentally.

本文对用国产复合金刚石刀具车削硬质合金材料作了一些试验研究.

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The results show that the structure of the surfacing layer was martensite, carbides and residual austenite.

试验结果表明:焊后的堆焊层组织为马氏体+碳化物+残余奥氏体.

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This paper deals with the granular carbides formation from hot deformation in high chromium cast steel.

本文探讨了热变形高铬铸钢中颗粒状碳化物的形成.

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Therein, both retained austenite decomposition and carbides precipitation were the key factors in the cryo - treating process.

其中残余奥氏体的分解和微细碳化物的析出是关键因素.

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The action of the residual carbides during the spheroidizing annealing was discussed.

讨论了残留碳化物在球化过程中的作用.

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