(3.236.175.108) 您好!臺灣時間:2021/02/28 02:45
字體大小: 字級放大   字級縮小   預設字形  
回查詢結果

詳目顯示:::

我願授權國圖
: 
twitterline
研究生:楊震宇
研究生(外文):Chen-Yu Yang
論文名稱:表面處理對JIS SKD61工具鋼之熱疲勞性質影響
論文名稱(外文):Surface Treatment Effect on the Thermal Fatigue Behavior of JIS SKD61 Steels
指導教授:邱六合
指導教授(外文):Liu-Ho Chiu
口試委員:邱六合
口試委員(外文):Liu-Ho Chiu
口試日期:2014-07-23
學位類別:碩士
校院名稱:大同大學
系所名稱:材料工程學系(所)
學門:工程學門
學類:材料工程學類
論文種類:學術論文
論文出版年:2014
畢業學年度:102
語文別:中文
論文頁數:81
中文關鍵詞:熱作模具鋼真空熱處理氣體氮化氣體軟氮化鹽浴軟氮化熱疲勞
外文關鍵詞:Hot-Work SteelVacuum Heat TreatmentNitridingNirocarburizingThermal Fatigue
相關次數:
  • 被引用被引用:1
  • 點閱點閱:308
  • 評分評分:系統版面圖檔系統版面圖檔系統版面圖檔系統版面圖檔系統版面圖檔
  • 下載下載:62
  • 收藏至我的研究室書目清單書目收藏:0
本研究探討JIS SKD61熱作模具鋼經淬火回火及氣體氮化、氣體軟氮化、鹽浴軟氮化處理之微結構及耐熱疲勞性變化。SKD61試片使用1025°C持溫20分鐘,進行2 kg/cm2 氮氣氣淬及620°C回火處理,部分回火試片並進行530°C × 20小時氣體氮化、570°C × 2、4、6及8小時氣體軟氮化及570°C × 2、4、6及8小時鹽浴軟氮化。SKD61經氣淬並以620°C回火之微觀組織可以發現回火麻田散體組織,硬度為45±1 HRC,氮化及軟氮化處理後,試片表面可達1000HV以上,氮化層深度在80μm~120μm以下。綜合裂紋面積百分比及損傷因子結果顯示,氣體軟氮化處理4小時試片皆較低,故較佳。鹽浴軟氮化試片經熱疲勞試驗後,沒有明顯熱疲勞裂紋,又處理2小時試片表面平整、凹凸程度較低,抗熱疲勞以處理2小時效果最好。氣體氮化試片及氣體軟氮化8小時試片受循環熱應力後,表面有剝落現象故抗熱疲勞性最差。30~580℃環境下比較各處理參數之損傷因子以及裂紋狀態,發現鹽浴軟氮化2小時有最佳之耐熱疲勞性。
This study investigates in thermal fatigue resistance of the surface treatment effect on the thermal fatigue behavior of JIS SKD61 hot-work using different nitriding and nitrocarburizing processes. Selected specimens, austenitized at 1025°C for 20 min and then gas quenched to room temperature and tempered at 620°C, were gas and salt bath nitrocarburized for 2, 4, 6 and 8 hours and gas nitrided for 20 hours. Microstructure, microhardness, X-ray diffraction and thermal fatigue tests were conducted. The hardness values of SKD61 specimen with nitriding and nitrocarburizing were above 1000 HV. The decreasing of thermal fatigue resistance of the specimen nitrided was caused by a brittle compound layer which would be flaked after thermal fatigue test. After salt bath nitrocarburized treatment, there are higher microhardness value than gas nitrocarburized treatment, there are two sides to one coin, the surface treated by salt bath nitrocarburing which had harder and more ductile than gas nirocarburized specimens makes better thermal fatigue resistance. Thermal fatigue tests showed that the best resistance of the specimen is the one salt bath nirtocarburizied for 2 hours which with the lowest value of damage factor and unobvious crack condition.
中文摘要 (CHINESE ABSTRACT) i
英文摘要 (ENGLISH ABSTRACT) ii
目錄 iii
圖目錄 vi
表目錄 xi
Chapter 1 前言 1
Chapter 2 文獻回顧 3
2.1 模具鋼 3
2.1.1 模具材料 3
2.1.2 熱作模具鋼 3
2.1.3 JIS SKD61 熱作模具鋼 4
2.1.4 添加合金元素的影響 8
2.2 真空熱處理 8
2.2.1 熱作模具鋼之熱處理 10
2.2.2 二次回火 10
2.2.3 合金碳化物 11
2.3 表面處理 12
2.3.1 氮化處理 12
2.3.2 氮化用鋼 14
2.3.3 氣體氮化法 15
2.3.4 滲氮碳化 15
2.3.5 鹽浴軟氮化法 16
2.3.6 電漿氮化法 17
2.4 壓鑄模具之損耗 18
Chapter 3 實驗步驟 23
3.1 試片製備 23
3.2 實驗儀器 24
3.3 實驗流程與參數 25
3.4 微觀結構觀察 26
3.4.1 光學顯微鏡觀察 26
3.4.2 電子顯微鏡觀察 26
3.5 X-ray繞射分析 26
3.6 硬度量測 27
3.7 熱疲勞試驗 27
Chapter 4 結果與討論 31
4.1 微觀結構觀察 31
4.1.1 收料組織 31
4.1.2 氣體氮化微觀組織 33
4.1.3 氣體軟氮化微觀組織 34
4.1.4 鹽浴軟氮化微觀結構 36
4.2 微硬度試驗 39
4.3 X-ray 繞射分析 41
4.4 熱疲勞試驗 44
4.4.1 熱疲勞縱向平面裂紋觀察 44
4.4.2 熱疲勞裂紋之損傷因子量測分析 59
Chapter 5 結論 63
References 65
References
1.江朝聰, 物理蒸鍍和滲氮處理對鋅壓鑄H13熱作模具鋼之影響. 大葉大學機械工程研究所(碩士論文), 2007.
2.S.H. CHANG, T.P.T., K.T. HUANG, Improvement of Aluminum Erosion Behavior and Corrosion Resistance of AISI H13 Tool Steel by Oxidation Treatment. ISIJ International 50, 2010: p.p. 569.
3.I. Alphonsa, A.C., P. M. Raole, B. Ganguli, P. I. John, Surface and Coating Technology 150. 2002.
4.K. Wua, G.Q.L., L. Wang, B. F. Xu, , Vacuum 84. 2010.
5.陳逸峰, DC53 模具鋼經滲氮及電弧PVD 鍍膜處理之表面特性研究. 大同大學材料研究所 碩士論文, 2007.
6.Rossi, S., Y. Massiani, E. Bertassi, F. Torregrosa, and L. Fedrizzi, Low temperature plasma immersion ion implantation of nitrogen on a mould steel. Thin Solid Films, 2002. 416(1–2): p.p. 160-168.
7.Ma, S., K. Xu, and W. Jie, Plasma nitrided and TiCN coated AISI H13 steel by pulsed dc PECVD and its application for hot-working dies. Surface and Coatings Technology, 2005. 191(2–3): p.p. 201-205.
8.da Silva, L.L.G., M. Ueda, and R.Z. Nakazato, Enhanced corrosion resistance of AISI H13 steel treated by nitrogen plasma immersion ion implantation. Surface and Coatings Technology, 2007. 201(19-20): p.p. 8291-8294.
9.Lee, S., Mechanical properties of TiNx/Cr1−xN thin films on plasma nitriding-assisted AISI H13 steel. Surface and Coatings Technology, 2005. 193(1-3): p.p. 55-59.
10.李連福, 初玉臣, 詹昕哲, 阮越潮, and 宋大崙, 添加甲烷氣體對微波電漿不銹鋼軟氮化處理之影響. 龍華科技大學學報, 2013. 33.
11.ASSAB, 8407 2M 熱作工具鋼技術資料. ASSAB company技術資料, 2014.
12.Wang, J., J. Gu, X. Shan, X. Hao, N. Chen, and W. Zhang, Numerical simulation of high pressure gas quenching of H13 steel. Journal of Materials Processing Technology, 2008. 202(1-3): p.p. 188-194.
13.Hu, X., L. Li, X. Wu, and M. Zhang, Coarsening behavior of M23C6 carbides after ageing or thermal fatigue in AISI H13 steel with niobium. International Journal of Fatigue, 2006. 28(3): p.p. 175-182.
14.Shih-Hsien CHANG, T.-P.T., Yi-Chin CHEN and Jhewn-Kuang CHEN, Enhancement of Erosion Resistance on AISI H13 Tool Steel by Oxynitriding Treatment. 2008.
15.西村富隆,張唯敏, 熱作模具鋼抗軟化性. 國外金屬加工, 1998: p.p. 3.
16.Ueda, M., L.A. Berni, R.M. Castro, A.F. Beloto, E. Abramof, J.O. Rossi, J.J. Barroso, and C.M. Lepienski, Surface improvements of industrial components treated by plasma immersion ion implantation (PIII): results and prospects. Surface and Coatings Technology, 2002. 156(1–3): p.p. 71-76.
17.Basso, R.L.O., R.J. Candal, C.A. Figueroa, D. Wisnivesky, and F. Alvarez, Influence of microstructure on the corrosion behavior of nitrocarburized AISI H13 tool steel obtained by pulsed DC plasma. Surface and Coatings Technology, 2009. 203(10-11): p.p. 1293-1297.
18.Basso, R.L.O., H.O. Pastore, V. Schmidt, I.J.R. Baumvol, S.A.C. Abarca, F.S. de Souza, A. Spinelli, C.A. Figueroa, and C. Giacomelli, Microstructure and corrosion behaviour of pulsed plasma-nitrided AISI H13 tool steel. Corrosion Science, 2010. 52(9): p.p. 3133-3139.
19.唐文軍、吳曉春, 4Cr5MoSiV鋼中碳化物對熱疲勞性能影響. 熱處理, 2003. 18: p.p. 32.
20.陳英偉、吳曉春, 熱作模具鋼1.2367的性能研究. 上海金屬, 2009. 31.
21.周小平、胡心彬、江鋒, 新型熱作模具鋼的熱疲勞性能. 金屬熱處理, 2011. 36: p.p. 107.
22.熱作模具鋼熱疲勞試驗方法, in 中華人民共和國國家標準 GB/T 15824.
23.林長毅, 真空熱處理之技術、應用與設備維護保養.
24.陳繁雄, 大同技術. 1981. p. 21-33.
25.Li, C.X. and T. Bell, Sliding wear properties of active screen plasma nitrided 316 austenitic stainless steel. Wear, 2004. 256(11–12): p.p. 1144-1152.
26.Committee, A.S.M.I.H., ASM Handbook, Volume 04 - Heat Treating. ASM International. p. 422.
27.S. Gopal, A.L., R. Shivperi, Die casting engineering. 2000.
28.Dingremont, N., E. Bergmann, and P. Collignon, Application of duplex coatings for metal injection moulding. Surface and Coatings Technology, 1995. 72(3): p.p. 157-162.
29.A. Kaye, A.S., Die casting metallurgy. 1982: Butterworth and Co. Ltd.
30.R. Shivpuri, S.L.S., ASM Handbook, Friction lubrication and wear technology. 1992.
31.Sully, L.J.D., ASM Handbook, Casting. 1988.
32.David, J.R., ASM Specialty Handbook, Tool materials. 1995.
33.Spera, D.A., What is thermal fatigue? Thermal fatigue of materials and components. 1976.
34.Zhang, Z., H. Zhou, L. Ren, X. Tong, H. Shan, and L. Liu, Effect of units in different sizes on thermal fatigue behavior of 3Cr2W8V die steel with biomimetic non-smooth surface. International Journal of Fatigue, 2009. 31(3): p.p. 468-475.
35.Wang, C., H. Zhou, P.Y. Lin, N. Sun, Q. Guo, P. Zhang, J. Yu, Y. Liu, M. Wang, and L. Ren, The thermal fatigue resistance of vermicular cast iron coupling with H13 steel units by cast-in process. Materials & Design, 2010. 31(7): p.p. 3442-3448.
36.Klobčar, D., J. Tušek, and B. Taljat, Thermal fatigue of materials for die-casting tooling. Materials Science and Engineering: A, 2008. 472(1-2): p.p. 198-207.
37.Persson, A., S. Hogmark, and J. Bergstrom, Thermal fatigue cracking of surface engineered hot work tool steels. Surface and Coatings Technology, 2005. 191(2-3): p.p. 216-227.
38.V. V. Ivanov , W.G.F., I. R. Paine Study of Thermal Fatigue of H13 Die Steel with Various Surface Treatments. 2003.
39.R. Danzer, F.S., A. Schindler, W. Zleoonig, Gieberei Praxis 19-20, Paper 128. 1983.
40.X. Wu , L.X., COMPUTER AIDED EVALUATION OF THERMAL FATIGUE CRACKS ON HOT-WORK TOOL STEEL. p.p. 781-792.
41.SEP1614, Microscopic Insepction of Hot-Work Tool Steels Verlag Stahleisen GmbH Publications, 1996.
QRCODE
 
 
 
 
 
                                                                                                                                                                                                                                                                                                                                                                                                               
第一頁 上一頁 下一頁 最後一頁 top
系統版面圖檔 系統版面圖檔