Recently, many aspects of peritectic solidification have been investigated including nucleation and growth, banded structure, coupled growth and phase selection. 包晶凝固是十分重要的相变过程,许多结构和功能材料的制备都涉及到包晶反应。
The results show that the fracture was caused by the banded structure which decreased the permitted rotational moment and resulted in the torsional fracture of the bolts during installation process. 结果表明:螺栓断裂是由于其制造时产生了严重的带状组织,降低了螺栓的许可扭转力矩,导致螺栓在安装过程中发生扭转断裂。
The mechanical property of the samples with slight banded structure is unnecessarily excellent, the annealing parameters adopted ought to accord with the reduction after cold rolling. 带状组织不明显的材料力学性能未必优越,退火工艺参数的选择应和冷轧压下量合理匹配。
The static bending property and foe effect of banded structure have been studied with small specimens made of continuous casting medium plate of the type JW steel. 用小试样研究了连铸JW钢中板的静弯特性及带状组织的影响。
It is resulted Widmanstatten structure, inclusion and banded structure are mainly reasons causing impact property lowness. 结果表明,钢中魏氏体组织、非金属夹杂物及带状组织是导致冲击性能偏低的主要原因。
The origin and evolution of the banded structure in Archaean iron orebody, Anshan area 【矿】带状构造,环带构造鞍山地区太古宙铁矿中条带状构造的成因与演化
Experimental studies on reason of formation and heat treatment of banded structure in gear steel for automobile are discussed in this paper. 研究了汽车齿轮钢中带状组织形成的原因及其与热处理的关系。
The banded structure in SWRH77B high carbon steel rod might be martensite. 结果表明:高碳盘条中的带状组织为马氏体。
The Cause of Maraging Steel Banded Structure and Eliminating Methods 马氏体时效钢带状组织产生的原因及消除方法
Microsegregation Behaviors of Alloy Elements and their Effects on the Formation of Banded Structure in Pinion Steels 齿轮钢中合金元素的偏析行为及带状组织抑制措施探讨
This pseudopearlitic banded structure can be eliminated by means of heat treatment. 这种带状分布的伪珠光体组织可以通过热处理予以消除。
Static Bending Properties and the Effect of Banded Structure of Continuous Costing JW Steel 连铸JW钢中板的静弯特性及带状组织的影响
The results indicate that the extrusion process may make the distribution of SiC particles more homogeneous and the arrangement of SiC particles in the direction of extrusion more orientated and orderly, so the feature of banded structure is presented. 结果表明:挤压加工有助于提高SiC颗粒分布的均匀性,挤压棒料中的SiC颗粒在挤压方向上定向、有序地排列,呈现出带状组织的特征;
Our study was found that two main reasons making the circular saw blades matrix distortion in quenching were banded structure and the unreasonable quenching process. 研究发现,原材料的带状组织和淬火工艺的不合理是造成锯片基体淬火变形的两个主要原因。
The results showed that the severe banded structure segregation and uneven microstructure existing in the steel of the gears was the main reason to cause the quenching distortion and crack of the gears, and the hydrogen diffused in the drive gear induced the crack to expand quickly. 结果表明,齿轮材料中带状组织严重偏析和金相组织不均匀是导致齿轮产生淬火畸变与开裂的主要原因。同时,主动齿轮材料中渗入的氢加速了裂纹的扩展。
Superficial banded structure was observed on hot strips of low carbon steel. 分析在热轧低碳含锰钢板上观察到的表面带状组织,讨论了带状组织形成的原因和预防方法。
Study on Banded Structure of the Main Feedwater Pipe and Its Safety in Thermal Power Plant 火电厂主给水管带状组织及安全性的研究
Ores are of pegmatite granites texture, graphic and massive, banded structure. 矿石为花岗伟晶结构,似文象结构和块状、条带状构造。
The main reasons are that there are so many δ-ferrite and residual austenite in the microstructure which distributed as banded structure that reduce the strength of the material. 而材料的显微组织中存在较多的呈带状分布的δ铁素体和残余奥氏体,使材料强度偏低,这是引起泵轴早期断裂的主要原因。
In order to improve the resistance to CO_2 corrosion of pipelines, the banded structure grade should be controlled. 为了提高石油专用管抗CO2腐蚀性能,应控制带状组织级别。
The Genesis of the Banded Structure in Granite, Suzhou 苏州花岗岩中带状构造的成因
Study on Eliminating Banded Structure in Low-carbon Multi-Alloyed Steel Plate 消除低碳多元合金钢板材带状组织的试验研究
The results show that the anisotropy of characterstics of crack propagation resistance of the materials are caused not by banded structure but by manganese sulfide inclusions strips distributed along the rolling direction. 结果表明:造成材料裂纹扩展阻力各向异性的主导因素是沿轧向分布的条片状硫化锰夹杂,而不是通常所认为的带状组织;
Effect of Nonmetallic Inclusions in Steel on Banded Structure 钢中非金属夹杂物对显微组织的影响
Models about the banded Structure in Rapid Solidification 关于快速凝固过程中带状组织形成的几种模型的讨论
Graphitization can improve graphitization degree, but rough laminar does more than smooth laminar and banded structure. 随石墨化热处理温度的升高,材料的石墨化度和微晶尺寸呈升高趋势,但粗糙层组织结构升高的幅度远大于光滑层。
An analysis of the simulated results shows significant banded structure and non zonal characteristics of the Antarctic Circumpolar Current ( ACC) in this region. 对模拟结果的分析表明,该海区的南极绕极流具有非常显著的条带状分布和非纬向性特征。
Through the rolling process due to lower rolling finishing temperature and after cooling to take the previous measures such as laminar flow, it can be appropriate to reduce the level of banded structure. 通过轧钢过程中适当的降低终轧温度和轧后采取前段层流冷却等措施,可以适当的降低带状组织的级别。
The algorithm achieves a compromise between performance and complexity by adjusting the width factor of the banded structure. Some performance must be sacrificed due to discarding part of channel information. 该算法通过调节带状结构宽度因子来实现性能与复杂度的折衷,由于信道近似时丢弃了部分信道信息,所以必然牺牲部分性能。
The angular position, which contains most inclusions, has the best Z-direction performance because of its unobvious banded structure and three dimensional stress. 经过研究发现,含有最多夹杂物的腹板与翼缘连接的圆角处反而拥有最好的Z向性能,其原因在于该位置带状组织并不明显和成型时所处的三向压应力状态。