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題 名 | Tribological Property and Microstructure of the TiN-Coated Fe-Al-Mn-C Alloys=鐵鋁錳碳合金物理蒸鍍TiN摩耗性質與顯微組織之研究 |
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作 者 | 林英志; | 書刊名 | 高雄科學技術學院學報 |
卷 期 | 29 1999.12[民88.12] |
頁 次 | 頁117-135 |
分類號 | 472.16 |
關鍵詞 | TiN物理蒸鍍; 摩耗性質; 顯微組織; PVD coating TiN; Tribological properties; Microstructures; |
語 文 | 英文(English) |
中文摘要 | 沃斯田相鐵-鋁-錳-碳合金物理蒸鍍TiN後,實施詳盡的乾摩耗試驗,結果發現物理蒸鍍TiN後,能實質有效的改善此種合金之表面抗摩耗性,乾摩耗實驗顯示,TiN物理蒸鍍在非析出硬化型鐵鋁錳碳合金上,其改善此種合金之表面抗摩耗效益不彰,而TiN物理蒸鍍在析出硬化型鐵鋁錳碳合金上,卻可明顯的提昇此種合金表面TiN蒸鍍層之抗摩耗效益。物理蒸鍍之溫度與時間影響TiN蒸鍍層的抗摩耗性,蒸鍍溫度愈高或蒸鍍時間愈長 ,TiN蒸鍍層附著力愈強而抗摩耗抵抗性愈佳,摩耗實驗結果顯示;鐵鋁錳碳合金的析出物κ-相﹝L'1□-(Fe/Mn)□AlC﹞與蒸鍍層TiN間有極大的蒸鍍附著結合力。 當乾摩耗試驗迴轉數接近10050轉,則物理蒸鍍TiN後之鐵鋁錳碳合金試樣,摩擦係數突然下降,取其摩屑以掃瞄式電子顯微鏡(SEM)觀察,發現摩擦係數突然下降時,所產生的摩屑為薄片狀摩屑,其長為108~396μm.寬為54~192μm,厚為15~45μm.在這些薄片狀的摩屑面上,呈現延性剪裂的微裂痕,由於這些薄片摩屑承受塑性變形及產生滾動摩擦作用,使得此種合金物理蒸鍍TiN後.在摩耗試驗轉數接近10050轉時.摩擦係數突然下降。 |
英文摘要 | After coating austenitic Fe-Al-Mn-C alloy with TiN, detailed wear tests under dry condition were carried out. A significant improvement in wear and abrasion resistance was observed. 7be results reveal that the wear resistance efficiency of TiN-coated on non-precipitation hardening Fe-Al-Mn-C alloy. is not eminent, but the tribo-logical resistance property of TiN-coated on austenitic precipitation hardening Fe-Al-Mn-C alloy is excellent. This is greatly affected by the deposition temperature and time. The higher the deposition temperature, or the longer the deposition time, the stronger is the adhesion of TiN coating and the better the wear resistance. The wear test shows that the precipitate κ-phase [L'1□ (Fe/Mn)□ AIC] in Fe-Al-Mn-C alloy has an enormously adhesive deposition reaction with the TiN coating. At sliding cycles of wear test near 10050, the friction coefficient of TiN coating on Fe-Al-Mn-C alloy suddenly decreases. By using SEM investigation, a large anount of laminar flake-like debris which is 108-396 rim long, 54-192 μ m wide and 15-45 μm thick with ductile shear-fine cracks are observed. The laminar debris particles undergo plastic deformation and rolling friction which cause a sudden drop of friction coefficient (friction force) in near 10050 sliding cycles of the alloy coating TiN. |
本系統中英文摘要資訊取自各篇刊載內容。