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- Numerical simulation of the vacuum hot bulge forming of BT20 Titanium alloy was carried out using the finite element software MSC. 建立了BT20钛合金筒形件真空热胀形的二维非线性准静态热弹塑性有限元模型。
- vacuum hot bulge forming 真空热胀形
- A calculation theory of diffuse neck-down and local neck-down limit strain curves during bulge forming is put forward. 提出了复合管胀形过程中发生分散性失稳及集中性失稳时极限应变的计算理论。
- Characteristics and advantages of vacuum hot pressing by using method of sintering dia-mond bit are described briefly in this paper, i. e. 本文阐述了真空热压烧结金刚石钻头的特点、优越性，即排杂、脱氧、脱气、促进金属粉末合金化、降低金刚石强度的热力损失、钻头内在质量明显改善；
- However,there are few papers published to deal with the plastic bulge forming (the application of BF technique to polymer processing,PBF). 挤胀成型作为一种金属压力加工方法已经得到深入研究并获得广泛的实际应用。
- With active carbon and silicon carbide as sintering aids,the boron carbide ceramic materials were prepared by using vacuum hot pressing sintering. 以活性炭和碳化硅为烧结助剂,采用真空热压工艺,制备了碳化硼陶瓷材料。
- Based on the FEM simulation results, a series of UPVC branch pipes were prepared successfully in a custom-built bulge forming test-bed. 在模拟和优化的基础上，利用自行设计的实验台成功地实现了UPVC三通管的挤胀成型。
- In this paper, with the help of theory of forming limit and plasticity failure, the forming limit of a thin claded tube in bulge forming is analyzed. 采用成形极限理论及塑性失稳理论,将单层管胀形成形极限理论推广到复合管,对复合管胀形成形极限进行了分析。
- Based on this theory, the new conceit of bulge forming technology of minimal thinned rate bellows is formulated and realized, minimal rate bellows is developed successfully. 在该理论分析基础上，制定并实现了小变薄率胀形波纹管的特殊液压胀形工艺的新构思，成功地研制出了小变薄率波纹管。
- Abstract Aluminum matrix composite reinforced with continuous boron fibers (MMC) which was produced by an atmospheric plasma spraying (APS) process and vacuum hot pressing (VHP) was investigated. 摘要 采用大气等离子喷涂法制备连续硼纤维增强铝基复合材料预制片，结合真空热压扩散焊制备了B/Al复合材料。
- By plasticity increment theory,the stress strain numerical calculate methods of bellows bulge forming, solvers theory calculating problems of bellows bulge forming technology are put forward. 采用塑性增量理论，建立了波纹管液压胀形的应力、应变数值计算方法，解决了波纹管液压胀形工艺的理论计算问题。
- Theory Research of Plastic Bulge Forming Process 塑料挤胀成型过程的理论研究
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- The hot weather has soured the milk. 炎热的天气使牛奶变酸了。
- Design and Manufacture of a Vacuum Hot Press Sintering Furnace 真空热压烧结炉的研制
- Application of Vacuum Hot Pressing Method in Sintering Diamond Bit 真空热压烧结金刚石钻头的应用
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- By bulging forming technology analysis of color kinescope shaded cover, die structure and main parts designs are introduced. 介绍了彩色显像管荫罩成形模设计与制造工艺,给出了荫罩成形模的设计流程。
- The hot weather made me feel lethargic. 炎热的天气使我昏昏欲睡。
- The superplastic gas bulging forming of a rolled magnesium alloy AZ31 at different temperature and gas pressure was researched. 研究了AZ31镁合金板材不同工艺条件下的气胀成形性能。
