The absorbing mechanism of metallic ultra fine grain has been analyzed.
分析了金属超细颗粒的吸波机制。
Equal channel angular extrusion is a new technology of obtaining ultra fine grain materials.
等通道转角挤压是一种新的制备超细晶粒材料的技术。
This paper introduces the development and the application of the ultra fine grain C-Mn steel in BAO steel.
本文简要介绍了宝钢碳锰超细晶粒钢的研制及应用。
The results show clearly that the microwave absorption of dispersions of metallic ultra fine grain relates to particle size, coating thickness, and method preparation.
结果表明：金属超细颗粒弥散系的微波吸收与粒度、涂层的厚度及配制方式有关。
With the deeper knowledge of ultra fine grain steel, the process of refinement has became one of the main methods to increase mechanical properties of steel availably nowadays.
随着对超细晶粒钢性能了解的逐渐深入，组织细化技术已经成为当今钢铁行业有效提高钢铁机械性能的重要方法之一。
The equal-channel angular pressing (ECAP) had achieved the potential for obtaining ultra-fine grain and improving mechanical properties.
等径弯曲通道变形（简称ECAP）具有获得超细晶组织和改善力学性能的潜力。
Ultra steel is characterized by its higher cleanness and ultra-fine grain, thus it has higher strength, toughness and longer life even without addition of more alloying elements.
超级钢的主要特征是高洁净度和超细晶粒组织，在不增加任何合金元素的情况下，其强度、韧性和使用寿命提高一倍。
Detailed analyses of the grain size distribution characteristics and the grain profile wavelength of fine diamond grinding wheel used for ultra-precision grinding are presented.
对超精密磨削所用细粒度金刚石砂轮磨粒粒径的分布特点和砂轮表面上磨粒的轮廓波长进行了分析。
The zinc powders are classified as ordinary, fine and ultra-fine according to the grain diameter and spherical, lamellar and irregular according to the grain shape.
锌粉按粒径大小可分为普通锌粉、细锌粉和超细锌粉，按形状可分为球状锌粉、片状锌粉和不规则形状锌粉。
In this paper, the grain growth in the HAZ of three kinds of ultra - fine grain steels such as low carbon steel, commercial X65 steel and high purity X65 steel were evaluated.
研究了低碳钢、普通市售x65钢和高洁净度X65钢三种超细晶粒钢焊接haz的晶粒长大倾向。
SP52 ultra-fine grain hot rolling sheets which have Q235 composition were produced in Pansteel 1450 industrial mill.
在攀钢1450热连轧机上，用Q 235普碳钢成分生产出了具有超细晶粒的SP52热轧钢板。
The technical requirements of HRBF500E ultra-fine grain earthquake-resistant reinforced bar were analyzed.
分析了HRBF 500e超细晶粒热轧抗震钢筋的技术要求。
The temperature and the deformation rate are the key factors to prepare ultra-fine grain materials.
变形温度和变形速率是获得超细晶材料的关键。
The simulations of austenite grain growth in HAZ of ultra-fine grain steel make foundation for future research work.
本文的研究结果将有助于新一代钢铁材料焊接HAZ组织模拟的进一步研究。
Features: with ultra-fine grain carbide material, it holds good milling and cutting performances, ensuring high efficiency;
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；
Equal Channel Angular Pressing (ECAP) is an advanced technology for preparation of ultra-fine grain materials.
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 technology is the latest technical method of producing ultra-fine grain metal materials.
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。
The preparation method adopts the following steps: hexacyclic stone is crushed and ground into ultra fine powder body with the grain size larger than 1000 meshes;
其制备步骤包括将六环石破碎、粉碎、研磨成超细粉体，使其粒度大于1000目；
The results show that after 3 ~ 5 cycles treatment, the ultra-fine grain is uniform, and the mechanical properties increase significantly.
结果表明，T8A钢经3 ~5次循环处理后，可获得均匀的超细晶粒，其力学性能明显提高。
The invention provides an ultra-fine grain metal membrane or an ultra-fine grain alloy membrane and a preparation method thereof.
本发明提供一种超细晶金属或合金薄膜及其制备方法。
The invention provides an ultra-fine grain metal membrane or an ultra-fine grain alloy membrane and a preparation method thereof.
本发明提供一种超细晶金属或合金薄膜及其制备方法。
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