数控铣床自动装卸料气动机械手PLC控制设计 - 豆丁网 关键词: 预制件;SiC 颗粒;Al2O3 颗粒;硬度;开孔隙率 [gap=746]Key Words: preforms; SiC particles; Al2O3 particles;hardness; open pores ratio
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Fabric preform 织物预成型
glass preform 玻璃压片
sealing preform 密封用塑扭塑 ; 密封用塑
eutectic preform 共晶合金盘料
die attach preform 芯片安装用框架
preform binder 预成型粘合剂 ; 预成型接合剂
brazing preform 硬焊用盘料
lid seal preform 盖封用塑扭塑
gold silicon preform 金硅共晶塑扭塑 ; 金
It is prerequisite to measure the three-dimensional braided composite materials preform s technical parameters in the process of its design and production.
在三维编织复合材料预制件的研制和生产过程中，需要测量和分析材料的工艺参数。
参考来源 - 碳纤维三维编织复合材料预制件厚度的测量The composites were observed by light microscope. The combination quality of matrix between composite layers is deteriorated when density of preform is increased.
通过光学显微镜对复合材料组织进行研究,发现随着Ti-C体系预制块致密度的提高(50%～65%),复合材料中过渡层质量下降。
参考来源 - VThe proposed FEM preform optimization method is very effective and overcomes abuse of experience design.
所提出的有限元模拟预成形优化方法十分有效,克服了以往凭经验设计的弊端。
参考来源 - 基于刚粘塑性有限元模拟的汽轮机叶轮模锻的预成形优化And Erbium-doped fiber preform is fabricated using this method.
并利用这种方法实际制作了掺铒光纤预制棒。
参考来源 - 掺铒光纤的制备工艺及其特性研究It is prerequisite to measure the three-dimensional braided composite materials preform s technical parameters in the process of its design and production.
在三维编织复合材料预制件的研制和生产过程中，需要测量和分析材料的工艺参数。
参考来源 - 碳纤维三维编织复合材料预制件厚度的测量However, there are still many difficulties in mass production of qualified preform of paper-based friction material using manual sheet-making apparatus. So a semiautomatic sheet-making apparatus was designed to make an improvement.
借鉴于造纸工艺的碳纤维增强纸基摩擦材料预制体成型工艺——“抄片”，成为保证预制体增强纤维、摩擦性能调节剂和填料在预制体中均匀分布的重要一环。
参考来源 - 基于气动机械手实现纸基摩擦材料自动抄片技术基础研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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Otherwise, he will never be able to preform again.
否则，他不会是能的再预先形成。
This preform is then heated to a temperature just below the melting point of the alloy.
此时，将初步加工的成品加热到一定的温度，这个温度要刚刚低于合金的熔点。
Preform, its manufacturing method, and container produced by biaxially stretching the preform.
料坯，其生产方法，和从该料坯制造的双轴拉伸容器。
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