Transactions of Materials and Heat Treatment

Title：Research on progress of experiment facility for superplastic bulging

Authors： Xu Wenjun Song Yuquan Lin Yuzhen Yang Fan Liu Wenjun

Unit： Quzhou College of Technology Jilin University

KeyWords： superplastic bulging contact measurement apparatus photoelectric measurement apparatus measurement and control of bulging pressure

ClassificationCode：TP29

year,vol(issue):pagenumber：2014,39(12):58-65

Abstract：

Experimental apparatus of superplastic bulging is the important equipment for theory research on superplastic bulging. The systematical research of bulging experiment apparatus and a series of scientific research achievements were reviewed by the scholars at home and abroad. The bulging apparatus measuring the relationship between height and time H（t）was developed from the contact measuring apparatus to photoelectric measuring apparatus. The control of bulging pressure was developed from pressure gauge control to the single-chip microcomputer control. The relationship between the bulging experiment P(t) and bulging height H(t), as well as the type of bulging parts and the influence law of wall thickness distribution were obtained. Because superplastic materials is very sensitive to the bulging pressure, bulging pressure in real-time control is the future development direction of bulging apparatus research.

Funds：

衢州市科技计划项目（20121057）；浙江省大学生科技创新项目（2013R477002）

徐文俊（1981-），男,硕士，讲师

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