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| 題 名 | 高硫和低硫17-4 PH不銹鋼的應力腐蝕性能比較研究=Comparative Study on Stress Corrosion Performance of High-Sulfur and Low-Sulfur 17-4 PH Stainless Steels |
|---|---|
| 作 者 | 黃瞬穎; 關聖立; 謝合彥; | 書刊名 | 防蝕工程 |
| 卷 期 | 38:2 2024.06[民113.06] |
| 頁 次 | 頁11-20 |
| 分類號 | 440.25 |
| 關鍵詞 | 17-4 PH不銹鋼; 硫含量; 應力腐蝕性能; 17-4 PH stainless steel; Sulfur content; Stress corrosion resistance; |
| 語 文 | 中文(Chinese) |
| DOI | 10.6376/JCCE.202406_38(2).0002 |
| 中文摘要 | 本研究探討了高硫和低硫含量的 17-4 PH 不銹鋼在應力腐蝕方面的區別。雖然國際規範(ASTM A276)要求 17-4 PH 不銹鋼的硫含量不超過 0.03%,實際生產中常將其控制在較低水平,以滿足不同行業 需求。這種不銹鋼廣泛應用於石化、化學、食品、醫療器械和造船等領域,因此需要在機械性能、加工 性和耐應力腐蝕等方面取得平衡。 硫含量影響硫化錳的分布,進行車削時影響車刀壽命和車屑問題,同時提供潤滑。在實驗中,高硫 含量的 17-4 PH 不銹鋼表現出更多的硫化錳。大氣環境下,兩種試片顯示相似機械性能,但在高濃度腐 蝕環境下,高硫試片表現出較高的應力腐蝕敏感性。 慢速拉伸試驗結果顯示,在相同高濃度腐蝕環境中,高硫試片斷裂時間下降 16%,低硫試片僅下降 5%。延性評估顯示高硫試片受到更大影響。總體而言,高硫試片在高濃度腐蝕環境中呈現更明顯的應力腐蝕敏感性。 |
| 英文摘要 | This study is to investigate the differences in stress corrosion resistance between high sulfur and low sulfur 17-4 PH stainless steel. Although international specifications require a sulfur content of less than 0.03% in 17-4 PH, in practical production, efforts are often made to control the sulfur content at lower levels to meet the requirements of various industries. 17-4 PH is widely used in fields such as petrochemicals, chemicals, food, medical devices, and shipbuilding, necessitating the consideration of mechanical properties, machinability, and stress corrosion resistance. The presence of sulfur affects the distribution, quantity, and morphology of sulfides, which, in turn, affects machining performance for downstream machining processes. The presence of sulfides can impact tool life, chip entanglement on the tool and workpiece, and also provides lubrication to a certain extent. Therefore, controlling the sulfur content within the upper limit of international specifications may contribute to optimizing machining performance but could potentially sacrifice some corrosion resistance. This study employed a slow strain rate tensile testing method in a corrosive environment. The results showed that specimens with higher sulfur content exhibited greater sensitivity to stress corrosion. These experimental findings provide reference for material selection and application in relevant industries. |
本系統中英文摘要資訊取自各篇刊載內容。