研究了冷拉70钢的组织演变和性能变化。
The microstructure evolution and properties transform of 70 steel wires in cold drawing were studied.
本文从四个方面分析了中国产业组织演变的特征。
The paper analyzes the evolutional characteristics of China's industrial organizations from four quarters.
阐述了金属材料塑性加工中微观组织演变数值模拟的重要性。
The importance of numerical simulation of microstructure evolution during metal hot forging was introduced in this paper.
通过光学显微镜和透射电镜观察了温变形中的微观组织演变。
The microstructure evolution during the warm deformation is observed by optical microscopy (OM) and transmission electronic microscopy (TEM).
决定物流组织演变的关键变量乃是知识编码化和它所引起的信息转换成本的变化。
The key factors controlling the evolution of logistics organizations are the shift of information code systems and the cost change resulted from the shift.
郊区城市化就是城市郊区乡村型社会地域组织向城市型社会地域组织演变的过程。
Suburbanization refers to the evolution process from suburban rural social spatial organization to urban social spatial organization.
得到电解铜粉和雾化铜粉在SPS烧结过程中显微组织演变特征和规律不同的结论。
We get the conclusion that the microstructure evolution of electrolytic copper powder and atomizing copper powder was different in SPS process.
通过金相组织分析,初步摸清铜锌合金快速凝固组织在不同温度下保温组织演变的特点。
By microstructure analysis the evolutive characteristic of structure of rapidly solidified Cu Zn alloy in different temperature preservation was initially made clear.
通过组织演变模型和温度模型的耦合计算,模拟出斯太尔摩风冷线上线材的组织变化过程;
The microstructure change of Stelmor line is simulated through coupling the models for microstructure evolution and temperature field.
开发了非调钢组织演变子程序,研究了非调钢在减定径机组轧制过程中组织性能的变化规律。
Subroutines of non-quenched steel microstructure evolution are exploited, and structure property variable regular of non-quenched steel during RSM process is exploited.
通过热模拟试验和工业性试验,研究了Q235钢微观组织演变规律及其与力学性能的关系。
Microstructure evolution and the relationship between microstructure and mechanical properties of Q235 steel were studied by thermal simulation and industrial tests.
对低碳钢板材进行表面球磨处理,利用电子显微术研究剪切变形方式下深度方向的组织演变。
A low carbon steel was treated by means of ball milling, and the shear-stress induced microstructural evolution along the depth was examined by using electron microscopy.
利用热模拟压缩变形实验研究了Q 235碳素钢多道次热变形及后续处理过程的组织演变规律。
The microstructure evolution of Q235 plain carbon steel in multi-pass hot deformation was investigated by means of hot compression simulation.
冷、热变形预处理条件对组织演变产生一定的影响,给试样施加变形是SIMA工艺的必要步骤。
Pretreatment condition, i. e. cold or hot deformation, has important effects on microstructure evolution, and deformation of samples is a necessary step in SIMA process.
但是我们的集成任务还没有完成;现在,我们必须从以中间件为中心的组织演变成以建模为中心的组织。
But our integration mission is not yet fulfilled; now, we must evolve from a middleware-centric to a modeling-centric organization.
采用基于动态再结晶的元胞自动机模型模拟分析AZ91镁合金热压缩过程中的流变行为及组织演变。
The cellular automata(CA) model with dynamic recrystallization(DRX) is proposed and used to investigate the flow behavior and microstructure evolution during hot compression of AZ91 alloy.
冷变形提高了钢中位错密度,也加剧了位错分布的不均匀性,后者是预应变加速组织演变的直接原因。
Cold deformation results in increasing of dislocation density and inhomogeneous dislocation distribution, the latter is the direct reason for pre-strain to promote microstructural evolution.
对在两相区铸造进行半固态制浆所得az91 D镁合金坯料的部分重熔工艺条件及组织演变进行了研究。
The microstructure evolution and partially remelting processing of two-phase-region casting AZ91D magnesium alloy ingots were investigated.
将热力耦合有限元方法与金属微观组织演变数学模型相结合,提出了热变形过程微观组织的数值预报方法。
By integrating the thermomechanical coupled FEM with mathematical model of microstructure evolution, the paper proposes a numerical prediction method for microstructure during hot deformation.
所分析内容为进一步研究材料内部微观组织演变规律,准确预测楔横轧产品综合机械性能具有理论指导意义。
They have theoretical guide and significance further to investigate the micro-structural evolution law and predict accurately on comprehensive mechanical property of CWR product.
因此,研究楔横轧多楔轧制微观组织演变规律,控制产品的最终组织结构,具有重要的理论意义和工程价值。
Study on microstructure evolvement regularity of workpiece of MCWR to control final microstructure has great theoretical and practical significance.
通过热模拟实验,考察了在不同变形温度和不同奥氏体晶粒尺寸等条件下保温对低碳钢形变后组织演变的影响。
The influence of deforming temperature as well as primal austenite grain sizes and holding time on the microstructure of transformation were investigated.
金属在热成形过程中的微观组织演变是影响产品力学性能的关键因素,该演变过程取决于温度、应变和应变速率。
The microstructure evolution, which is governed by temperature, strain and strain rate during hot metal forming, is a key factor to the mechanical properties.
结果表明:采用加工图理论分析材料的高温变形行为能准确直观地反映出材料在不同变形条件下的组织演变规律。
As a result, deformation behavior at elevated temperature analyzed by processing map theory can indicate exactly the evolving law of structures of materials under different deformation condition.
通过对AZ31镁合金铸棒在不同变形参数下进行一次变形和二次变形,并对其组织演变过程和力学性能进行分析讨论。
The two-stage deformation was processed to AZ31 alloy as cast at different parameter condition, and structure evolution and mechanical property was analyzed.
研究了未变质处理和变质处理的AZ 91d镁合金在半固态等温热处理过程中的组织演变,并对其组织演变机理进行了探讨。
The structure evolution of AZ91D magnesium alloy and the modified AZ91D magnesium alloy during semi solid isothermal heat treatment was studied, and its transformation mechanism was also discussed.
研究了未变质处理和变质处理的AZ 91d镁合金在半固态等温热处理过程中的组织演变,并对其组织演变机理进行了探讨。
The structure evolution of AZ91D magnesium alloy and the modified AZ91D magnesium alloy during semi solid isothermal heat treatment was studied, and its transformation mechanism was also discussed.
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