表面粗糙度对铍青铜微电阻点焊接头性能的影响 - 南昌航空大学期刊网.PDF

2007 6 () Jun., 2007 21 2 Journal ofNanchang angkongUniversity(Natural Science) Vol.21 No.2 , (, , 330063) [] ;;; [ ] , : 015Lm , ;015 Lm ,, [] TG40 [] B [] 1001- 4926(2007)02- 0063- 04 Effects of sur face r oughness on j oint s pr op er ties in small- scale r esistance spot weldin g of ber yllium copper XU Chun- rong, UANGYong- de (N anchang H angkong University , Nanchang 330063, China ) Key wor ds: small- scale resistance spot welding;beryllium copper; surface roughness;joint properties Abstr act : The effect of sheet surface roughness on mechanical properties and microstructure of the joint was studied in small- scaleresistance spot welding ofberyllium copperunder different surfaceroughness condition. Theresult shows that the surface roughness affectsthemechanical properties significantlywhenthewelding current is small. It has little effect on mechanical propertieswhen surfaceroughness increases. Surface roughness has little effect on microstructure of the joint. , [1- 3] , , , [1- 3] ,, [4] ,, , , ,100 , ,, [5] BratschunLeicht Motorola MicroTAC Au- Ni- Cu Au- [6] Ni/P- Cu ;W1TAN 012 mm,4 Lm , [7- 9] 1 111 [] 2007- 03- 04 [] [] ( 1981- ), , , 64 () 012 mmQBe2, 12 ,,, 312 mm 115~ 5KA, 160N, 30ms, 40mm@5mm 1 Al Be Si Ni Fe Pb Cu 01 15 11 80~ 211 01 15 012~ 015 0115 01005