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| 題 名 | 提高模具鋼的高溫耐磨性以減少能量損失:珠粒尺寸、氮化和硫化處理對鋁合金/模具鋼在高溫下改善耐磨性的影響=Enhancing High-Temperature Wear Resistance of Mold Steel to Reduce Energy Loss: Impact of Bead Particle Size, Nitridation, and Sulphurization with Nitridation Treatment on Improving Wear Properties in Aluminum Alloy/Die Steel at Elevated Temperatures |
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| 作 者 | 劉鑑德; 吳秉勳; 蔡毅坤; 張育斌; 謝銘哲; | 書刊名 | 燃燒季刊 |
| 卷 期 | 32:4=123 2023.11[民112.11] |
| 頁 次 | 頁27-39 |
| 分類號 | 472.16 |
| 關鍵詞 | 珠擊法; 氮化處理; 滲硫氮化處理; 摩擦係數; 接觸電阻; Shot blasting; Nitridation; Sulphurization with nitridation; Friction coefficient; Contact resistance; |
| 語 文 | 中文(Chinese) |
| DOI | 10.30041/CQ.202311_(123).0003 |
| 中文摘要 | 在這項研究中,模具鋼(SKD6)的不同表面處理如珠擊、氮化、滲硫氮化等, 在較少潤滑油和較高界面溫度(375±10℃)6061-O/SKD6 下進行摩擦。大珠擊後的 模具鋼表面粗糙,容易填充鋁合金材料形成攻角凸塊,刮傷鋁合金。造成摩擦過 程摩擦係數的劇烈變化、摩擦界面跳開和接觸電阻的變化。氮化處理後模具鋼上 的鋁合金附著層整體外觀較薄,但部分有材料轉移層的連續堆積,正好配合鋁合 金的犁割痕,形成類似於軌道效應,所以摩擦係數較低。模具鋼滲流氮化處理後 之鋁合金黏附轉移層整體外觀上較薄,但局部具有連續堆積的材料轉移層,剛好 契合上試片的犁割刮痕,形成類似軌道效應的效果,所以摩擦係數較低。氮化處 理時間長短並沒有辦法改善模具鋼對鋁合金黏附轉移的現象,但動態摩擦係數最 小和無接觸電阻跳開的現象。可能適用於增加鍛造製程的穩定性,避免鋁合金剝 蝕產生的破壞,增加模具的耐用性及減少能量損失。 |
| 英文摘要 | In this study, different surface treatments of die steel (SKD6) such as shot blasting, nitridation, sulphurization with nitridation were friction at less lubricating oil and high interface temperature (375±10 o C) of 6061-O/SKD6. After large shot blasting, the surface of the die steel is rough, and it is easy to fill the aluminum alloy material, forming an attack angle bump and scratching the aluminum alloy. It causes drastic changes in friction coefficient, friction interface jumps and contact resistance changes during the friction process. The adhesion layer of aluminum alloy on the die steel after nitriding treatment is thin in overall appearance, but there is a continuous accumulation of material transfer layer in part, which just fits the ploughing scratches on the aluminum alloy, it similar to the orbit effect, so the friction coefficient is lower. The time of nitriding treatment time does not improve the aluminum adhesion transfer to die steel, but the dynamic friction coefficient is smallest compare with the other case, and there is no contact resistance jumping phenomenon. It may be suitable for increasing the stability of the forging process, avoiding the damage caused by aluminum alloy exfoliation, increasing the durability of the mold and reducing energy loss. |
本系統中英文摘要資訊取自各篇刊載內容。