ENGINEERING JOURNAL : Ketahanan Korosi Retak Tegang Paduan AL 7175 Pada Beberapa Kondisi Laku Panas

Jurnal Rekayasa Vol 2 No 2 Artikel 7

Sumarji
(Staf Pengajar Jurusan Teknik Mesin, Program Studi Teknik, Universitas Jember)


ABSTRACT

The aim of this study is to investigate the effect of heat treatment on stress corrosion cracking of aluminum alloy 7175. The measurement has been performed at 2 types speciment : aging at 120 0 C for 20 hours material and aging at 160 0 C for 12 housr ones.The corrosion test speciment were prepared in accordance with the ASTM G 49. The stess corrosion cracking test was immersed into 3.5% NaCl environment with 250 kg constant load. The conclusion of this research is that the later have better stress corrosion cracking resistance than former.

Key Word : aging, stress corrosion cracking

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