粉末冶金法较易获得细晶粒组织。
The fine grain of pure tantalum can be obtained easily through PM.
探索了在新一代钢中获得超细晶粒的方法。
The methods to obtain ultrafine grain in new generation steel were investigated.
细晶粒低碳钢生产的关键技术在于控轧控冷。
The key technique of hot rolling low carbon ultra-fine grained steel strip consists in controlled rolling and controlled cooling.
铸态合金表层为细晶粒区，心部为粗晶粒区。
The surface layer of the alloy is fine grain region, its center is coarse grain region.
超细晶粒钢激光焊接接头粗晶区有较好的韧性。
The coarse grain zones of laser welded joint of super fine grain steel show good toughness.
研究了超细晶粒钢筋焊接接头的组织和力学性能。
The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied.
细晶粒A材料的初始损伤量大，韧性下降幅度大。
The material A with fine grains has a large amount of initial damage and a large decreasing amount of toughness.
本文简要介绍了宝钢碳锰超细晶粒钢的研制及应用。
This paper introduces the development and the application of the ultra fine grain C-Mn steel in BAO steel.
超细晶粒钢可在降低汽车制造成本方面发挥其优势。
Ultrafine grain steel can play an important role in reducing automobile production cost.
等通道转角挤压是一种新的制备超细晶粒材料的技术。
Equal channel angular extrusion is a new technology of obtaining ultra fine grain materials.
对马氏体细晶粒高强度钢的冲击磨损性能进行了研究。
Study on abrasive wear resistance of boronized layer eutecticumed with laser;
结果表明在细晶粒和塑性晶界条件下具有较好的疲劳性能。
The result shows that the better fatigue properties are achieved under the fine grain size and the plastic grain boundaries.
利用该模具，可以在实验室制备具有超细晶粒度的板状材料。
The use of the die successfully produced superfine grain columnar material with average grain size as 1.
分析了HRBF 500e超细晶粒热轧抗震钢筋的技术要求。
The technical requirements of HRBF500E ultra-fine grain earthquake-resistant reinforced bar were analyzed.
等通道转角挤压(ECAP)是一种制备超细晶粒材料的新技术。
Equal Channel Angular Pressing (ECAP) is an advanced technology for preparation of ultra-fine grain materials.
论述了超细晶粒钢的超细晶粒及高强度与高韧性良好匹配的特点。
With the features of ultrafine grain, fair matching of high strength and high toughness in the ultrafine grain steel.
用细晶粒硬质合金刀具进行了铁基粉末冶金零件的高速干切削试验。
The dry and high-speed cutting experiments are carried out to study the cutting performance of turning the Fe-based PM parts by using the fine grain cemented carbide inserts.
主要技术路线是高洁净度、高均匀性、微合盒化、超细晶粒及组织。
The characters of new steels are high cleanliness, high homogeneity, ultra-fine grained and micro alloyed.
晶粒度达到8级，属于细晶粒钢，其晶粒度和晶粒均匀性都大大提高。
The grain size of steel is grade of 8 and it attributes to fine grain steel. The grain size and grain uniformity are greatly improved as well.
经实验发现细晶粒碳钢焊接接头拉伸试验断口在远离热影响区的母材上。
It is found that the weld of fine grain steel break apart from heat effect zone in the tensile test.
研究了高强度细晶粒碳素钢焊接接头熔合区附近的显微组织及精细结构。
The microstructure and fine structure of weld fusion zone for high strength fine grain steel were studied.
超细晶粒钢依靠生成微米级或亚微米级的铁素体，使钢的强度和韧性大大提高。
The strength and toughness of super fine grain steels are greatly increased because of its micrometer or sub micrometer grade grain size.
特点：使用超细晶粒硬质合金材料，具有良好的铣、削性能，保证工作高效率；
Features: with ultra-fine grain carbide material, it holds good milling and cutting performances, ensuring high efficiency;
利用热模拟机对超细晶粒钢板的生产过程进行了模拟，工艺参数尽量贴近生产实际。
Rolling parameters of ultrafine grained strip were simulated by thermo mechanical simulation and simulated results were in reasonable agreement with measured in practice.
等通道转角挤压技术(简称ecap)是制备超细晶粒金属块材的最新研究领域之一。
Equal channel angular pressing technology is the latest technical method of producing ultra-fine grain metal materials.
这种铸件通常为外径处晶粒非常细小的细晶粒铸件，能耐大气腐蚀，典型的情况是管子。
The casting is usually a fine grain casting with a very fine-grained outer diameter, which is resistant to atmospheric corrosion, a typical situation with pipes.
研究发现，AZ91镁合金经过一个道次的等通道角挤压后，材料中就有大量的超细晶粒出现。
It was found that a great deal of ultra-fine grains appear in AZ91 just after one pass of ECAP.
简体中文标题：焊接材料。带和不带气体保护的合金钢以及细晶粒钢电弧焊用管状焊条。分类。
English Name:Welding consumables - Tubular cored electrodes for metal arc welding with and without a gas shield of non alloy and fine grain steels - Classification;
指出增加变形速率使近缝区金属强化机制为位错强化、一定数量的岛状第二相强化和细晶粒强化。
It has been indicated that the strengthening mechanism of the weld metal is the dislocation, a number of second island phases and fine grain size.
在上面概述的方法之后将产生显示出良好强度和伸长率的细晶粒、完全再结晶、模压淬火的产品。
Following the method outlined above will produce a fine-grained, fully recrystallized, press quenched product that demonstrates good strength and elongation.
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