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All Journal TEKNIK Teknologi Indonesia Metalurgi Piston: Journal of Technical Engineering Jurnal Litbang Polri Jurnal Sains Materi Indonesia
Gadang Priyotomo
Research Center for Metallurgy and Material, Indonesian Institute of Sciences, Serpong, Tangerang
Aerospace Engineering Computer Science & IT Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Journal : Teknologi Indonesia

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THE INFLUENCES OF APPLIED STRESS, TEST TEMPERATURE AND CONCENTRATION ON ENVIRONMENT INDUCED CRACKING OF Ni3(Si,Ti) INTERMETALIC COMPOUND IN NEUTRAL SODIUM CHLORIDE SOLUTIONS priyotomo, gadang
Teknologi Indonesia Vol 38, No 1 (2015)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (16.054 KB) | DOI: 10.14203/jti.v38i1.133

Abstract

The environment-induced cracking (EIC) behavior of Ni3(Si,Ti) intermetallic compound was investigated as the function of applied stress, test temperature, and chloride-ion concentration in NaCl solution using a constant load method. From the applied stress dependence of the three parameters ( tf, lss and tss/tf ), the relationships were found to be divided into three regions: stress, EIC, and corrosion dominated regions. The ratio of tss/tf in the EICdominated region was independent constant of applied stress, test temperature, and chloride-ion concentration. Furthermore, the relationship between log tf and log lss in the EIC-dominated region became a good straight line, irrespective of applied stress, test temperature, and chloride-ion concentration. The fracture appearance in the EIC dominated region was intergranular. On the basis of the results obtained, an intergranular EIC was supposed to be influenced by hydrogen entry, dissolution, and film formation.
Co-Authors Ahmadi, Rapli Nur ahsonul anam Astawa, I Nyoman Gede Putrayasa Astuti, Septi Hadi Gunawan, Hadi Harsisto, Harsisto Heri Nugraha Irawan, Januar J.W. Soedarsono Maldini, Noviar Rizky Nasoetion, Ronald Nikitasari, Arini Nuraini, Lutviasari Nuraini, Lutviasari Prifiharni, Siska Raslin, Harvin Rini Riastuti, Rini Rokhmanto, Fendy Royani, Ahmad Saragih, Agung Shamsudin Soesaptri Oediyani Sugiarti Sugiarti Sundjono, Sundjono Triwardono, Joko Wahyono, Ary