저온 브레이징용 Al-Si-Cu 합금의 Sn 첨가에 따른 융점 및 기계적 특성 변화 연구

김민상; 박천웅; 변종민; 김영도; Min Sang Kim; Chun Woong Park; Jong Min Byun; Young Do Kim

Korean Journal of Materials Research, Vol.26, No.7, 376-381, July, 2016

DOI10.3740/MRSK.2016.26.7.376 Export Citation

저온 브레이징용 Al-Si-Cu 합금의 Sn 첨가에 따른 융점 및 기계적 특성 변화 연구

Effect of Tin Addition on the Melting Temperatures and Mechanical Properties of Al-Si-Cu Brazing Filler Metals

김민상¹, 박천웅¹, 변종민^{1, 2}, 김영도^{1, 2, †}

¹한양대학교 신소재공학과
²한양대학교 산업과학연구소

Min Sang Kim¹, Chun Woong Park¹, Jong Min Byun^{1, 2}, and Young Do Kim^{1, 2, †}

¹Department of Materials Science and Engineering, Hanyang University, Seoul 04763, Republic of Korea
²The Research Institute of Industrial Science, Hanyang University, Seoul 04763, Republic of Korea

E-mail:

For the development of a low-melting point filler metal for brazing aluminum alloy, we analyzed change of melting point and wettability with addition of Sn into Al-20Cu-10Si filler metal. DSC results showed that the addition of 5 wt% Sn into the Al-20Cu-10Si filler metal caused its liquidus temperature to decrease by about 30 ℃. In the wettability test, spread area of melted Al-Cu-Si-Sn alloy is increased through the addition of Sn from 1 to 5 wt%. For the measuring of the mechanical properties of the joint region, Al 3003 plate is brazed by Al-20Cu-10Si-5Sn filler metal and the mechanical property is measured by tensile test. The results showed that the tensile strength of the joint region is higher than the tensile strength of Al 3003. Thus, failure occurred in the Al 3003 plate.

Keywords:brazing;aluminum alloy;bonding technology;melting point

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[2] Timsit RS, Janeway BJ, Weld. Res., 119s-128s (1994).

[3] Dai W, Xue S, Lou J, Wang S, Mater. Trans., 53, 1638 (2012)

[4] Yeo IC, Kang IC, J. Korean Powder Metall. Inst., 22, 21 (2015)

[5] Jang GJ, Kim KT, Yang SS, Kim YJ, Park YH, J. Korean Powder Metall. Inst., 21, 460 (2014)

[6] Sugiyama Y, Weld. Int., 3, 700 (1989)

[7] Hayasaka N, Koga Y, Shimomura K, Yoshida Y, Okano H, Jpn. J. Appl. Phys., 30, 1571 (1991)

[8] Hattori T, Sakai S, Sakamoto A, Fujiwara C, Weld. J., 73, 233s (1994)

[9] Tsao LC, Chiang MJ, Lin WH, Cheng MD, Chuang TH, Mater. Charact., 48, 341 (2002)

[10] Su TL, Wang SS, Tsao LC, Chang SY, Chuang TH, Yeh MS, J. Mater. Eng. Perform., 11, 187 (2002)

[11] Kanae S, Minoru K, Yo T, J. Jpn. Inst. L. Metals, (in Japan), 43, 533 (1993)

[12] Shi Y, Shao L, Huang J, Gu Y, Mater. Sci. Technol., 29, 1118 (2013)

[13] Tsao LC, Weng WP, Cheng MD, Tsao CW, Chuang TH, J. Mater. Eng. Perform., 11, 360 (2002)

[14] Tsao LC, Tsai TC, Wu CS, Chuang TH, J. Mater. Eng. Perform., 10, 705 (2001)

[15] Chuang TH, Yeh MS, Tsao LC, Tsai TC, Wu CS, Metall. Mater. Trans. A-Phys. Metall. Mater. Sci., 31A, 2239 (2000)

[16] Kotadia HR, Doernberg E, Pater JB, Fan Z, Schmid-fetzer R, Metall. Mater. Trans. A-Phys. Metall. Mater. Sci., 40A, 2202 (2009)

[17] Franke P, Neuschutz D, Binary Systems (Part 5:Binary systems supplement 1), 1-4, Springer Berlin Heidelberg, Germany (2007).