Abstract:Penelitian ini bertujuan mengetahui pengaruh variabel temperatur media pendingin air pada proses quenching terhadap nilai kekerasan dan kekuatan impak baja EMS-45. Metode penelitian yang digunakan adalah spesimen Baja EMS-45 dipanaskan pada suhu 850oC di dalam tungku listrik selama 4 jam. Setelah dilaku panas kemudian spesimen dicelup ke dalam air pada suhu masing-masing 0o, 5o, 10o, 15o, 20o, 25o, 30o, 40o, 50o, 60o, 70o, 80o, 90o, 100oC. Spesimen yang telah dicelup kemudian diuji kekerasan dan kekuatan impak… Show more
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