1) extrusion under semi-sintered condition
半烧结状态挤压
2) semi-sintered condition,semi-sintered condenser
半烧结状态
3) sintering state
烧结状态
1.
A new design method based on multilevel SVM classifier is presented to recognize the normal sintering,oversintering and undersintering states in rotary kiln.
提出了一种新的基于多级SVM分类器的设计方法,并将该方法应用于回转窑的正常烧结、过烧结和欠烧结3种烧结状态的识别。
4) Semi-solid extrusion
半固态挤压
1.
The influence of the semi-solid extrusion on the microstructures and properties of the aluminum alloy matrix composites reinforced by SiC particles is investigated.
研究了半固态挤压对SiC颗粒增强铝基复合材料组织和性能的影响。
2.
The 20% submicro SiCp reinforced 2014 Al-based composites were successfully prepared by high energy ball milling powder mixing-semi-solid extrusion.
通过高能球磨混粉-半固态挤压的方法制备了20%体积分数的亚微米SiC颗粒增强2014铝基复合材料,主要研究了不同挤压温度和挤压比对复合材料组织性能的影响。
3.
This article discusses three hypereutectic Al-Si-Fe alloys' microstructures; electromagnetic stirring semi-solid extrusion solid extrusion and heat treatment make effect on these alloys.
本文研究了三种过共晶Al-Si-Fe合金的微观组织特征,电磁搅拌、半固态挤压成形、固态挤压成形以及热处理工艺对合金的组织和性能的影响。
5) semi-solid squeeze casting
半固态挤压铸造
1.
The principle and processing characteristics of semi-solid squeeze casting were introduced briefly;the influencing rules of semi-solid squeeze casting process parameters on properties of components were analyzed detailedly;the potential defects in components were generalized and analyzed;the corresponding preventive measures were presented also.
简要介绍了半固态挤压铸造原理与工艺特点;着重分析了半固态挤压铸造工艺参数对制件性能的影响规律;最后对制件可能出现的缺陷进行了归纳分析并提出了相应的预防措施。
补充资料:挤压变形状态
挤压变形状态
extrusion deformation state
j iyo bionxing zhuangtoi挤压变形状态(extrusion deformationstate)挤压时塑性变形区内金属的变形状态通常是两向压缩变形和一向延伸变形,即径向压缩变形。r,周向压缩变形。。及轴向延伸变形。1(见图)。根据塑性变形理论,在轴对称条件下,可认为周向压缩变形和径向压缩变形相等,即‘~劫。挤压全属的流动过程分3个阶段,每个阶段的变形状态不同:(1)在填充挤压变形阶段,锭坯充满挤压筒及模孔,锭坯的变形状态相当住 挤压变形状态示意图 1一挤压筒;2一挤压模;3一挤压垫;4一挤压杆于自由傲粗变形。(2)在基本挤压阶段,一般情况下,其主要变形特点是金属的流动发生层流不交错,变形状态为两向压缩和一向延伸。(3)在紊流挤压阶段,垫片进入塑性变形区中迫使金属向着挤压轴线方向。由周边向中心发生剧烈的横向流动。除部分金属保持两向压缩和一向延伸之外,有相当一部分金属处于一向压缩和两向延伸的变形状态。 (温景抹) \
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参考词条