2023
DOI: 10.4139/sfj.74.486
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イソプロピルアルコール中での電解研磨sus316lステンレス鋼の局部腐食とその防止のための表面処理法

Kiyotaka ISHIMI,
Tsuyoshi FUJINO,
Muneaki IDA
et al.

Abstract: This study developed surface finishing methods to prevent corrosion of electropolished SUS316L stainless steel in isopropyl alcohol (IPA) . For this development, immersion corrosion tests in 99.7% IPA and anodic polarization tests in 0.15 kmol・m -3 HCl were conducted using electropolished SUS316L specimens passivated with 30% HNO 3 , 0.1 kmol・m -3 Na 2 MoO 4 -containing 30% HNO 3 , 3.5% H 2 O 2 and 0.98% H 2 O 2containing 8% citric acid. Identical tests were also applied to specimens heated to 200-450 ℃ after … Show more

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