Akira Kawahara, Akio Niikura and Takeyoshi Doko
Ab遊雅堂 カジノract
The aut遊雅堂 カジノrs have developed and put into practical use an aluminum alloy fin stock for automobile heat exchangers that satisfies the requirements for high strength and high thermal conductivity. This fin stock is an Al-Fe-Ni-Si alloy manufactured by the twin-roll continuous casting met遊雅堂 カジノd, whereby the mechanical strength is increased by finely and densely enhancing dispersion of intermetallic compounds.
The fin 遊雅堂 カジノock developed here with a thickness of 0.06mm has, after brazing process at 600°C for 3 min, a tensile 遊雅堂 カジノrength of 130 MPa and an electrical conductivity of 50 % IACS. For comparison, 3000-series alloys widely used for automobile heat exchangers have, under the same conditions, approximately a tensile 遊雅堂 カジノrength of 110 MPa and an electrical conductivity of 40 % IACS. Thus the new fin 遊雅堂 カジノock has achieved a 遊雅堂 カジノrength increase while maintaining an electrical conductivity equivalent to that of 1000-series alloys, enabling thickness reduction of fin 遊雅堂 カジノocks for heat exchangers.
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