JOURNAL ARTICLE

Low stress laser welding technology for corrugated diaphragm of pressure sensor

Abstract

è®¾è®¡äº†åˆ©ç”¨æ¿€å ‰ç„ŠæŽ¥æŠ€æœ¯è¿›è¡Œæ³¢çº¹è†œç‰‡ç„ŠæŽ¥çš„å·¥è‰ºæ–¹æ¡ˆï¼Œæå‡ºäº†åŸºäºŽæ­£äº¤è¯•éªŒçš„å ³é”®ç„ŠæŽ¥å·¥è‰ºå‚æ•°ä¼˜åŒ–æ–¹æ³•ï¼Œè®¾è®¡å ³é”®ç„ŠæŽ¥å·¥è‰ºæ­£äº¤è¯•éªŒè¡¨ï¼Œå®Œæˆä»¥ç„Šç¼æ®‹ä½™åº”åŠ›ä¸ºè¯„ä»·æŒ‡æ ‡çš„æ­£äº¤è¯•éªŒã€‚åŸºäºŽæ­£äº¤è¯•éªŒèŽ·å¾—çš„è¾ƒä¼˜ç„ŠæŽ¥å·¥è‰ºå‚æ•°ç»„åˆï¼Œç„ŠæŽ¥åŽ‹åŠ›ä¼ æ„Ÿå™¨ï¼Œå®Œæˆäº†ç„ŠæŽ¥å¯†å°æ€§ã€æ‹‰ä¼¸å¼ºåº¦å’Œä¼ æ„Ÿå™¨é™æ€æ€§èƒ½æŒ‡æ ‡çš„æµ‹è¯•éªŒè¯ã€‚ç»“æžœè¡¨æ˜Žï¼Œè¾ƒä¼˜çš„åŽ‹åŠ›ä¼ æ„Ÿå™¨æ³¢çº¹è†œç‰‡æ¿€å ‰ç„ŠæŽ¥å·¥è‰ºå‚æ•°ç»„åˆæ˜¯æ¿€å ‰åŠŸçŽ‡350 W、脉冲频率150 Hz、脉冲宽度1.5 ms、转台转速4 200 (°)/minï¼›åŽ‹åŠ›ä¼ æ„Ÿå™¨ç„Šç¼çš„æ‹‰ä¼¸å¼ºåº¦é«˜è¾¾499.60 MPaï¼Œå ·å¤‡è¾ƒå¥½çš„å¯†å°æ€§ï¼›ç„ŠæŽ¥æ³¢çº¹è†œç‰‡åŽçš„ä¼ æ„Ÿå™¨é›¶ç‚¹è¾“å‡ºæé«˜äº†17%å·¦å³ï¼Œçµæ•åº¦ã€æ»¡é‡ç¨‹è¾“å‡ºã€éžçº¿æ€§ã€è¿Ÿæ»žå’Œé‡å¤æ€§ç­‰æŒ‡æ ‡å˜åŒ–ä¸å¤§ï¼Œä½†æ˜¯éžçº¿æ€§ã€è¿Ÿæ»žå’Œé‡å¤æ€§æ¯”åŒåŽ‚å®¶çš„åŒç±»åž‹ä¼ æ„Ÿå™¨æ”¹å–„çº¦1å€å·¦å³ã€‚æ­£äº¤è¯•éªŒç¡®å®šçš„æ¿€å ‰ç„ŠæŽ¥å·¥è‰ºèƒ½å¤Ÿä¿éšœåŽ‹åŠ›ä¼ æ„Ÿå™¨çš„é«˜è´¨é‡å°è£ åº”ç”¨ã€‚

Keywords:
Diaphragm (acoustics) Materials science Welding Stress (linguistics) Laser beam welding Pressure sensor Composite material Acoustics Structural engineering Mechanical engineering Engineering Vibration

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Topics

Welding Techniques and Residual Stresses
Physical Sciences →  Engineering →  Mechanical Engineering
Induction Heating and Inverter Technology
Physical Sciences →  Engineering →  Mechanical Engineering
Laser and Thermal Forming Techniques
Physical Sciences →  Engineering →  Computational Mechanics
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