博碩士論文 108353012 詳細資訊




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姓名 曾慶祥(CHING-HSIANG TSENG)  查詢紙本館藏   畢業系所 機械工程學系在職專班
論文名稱 內窺鏡施夾器夾爪熱處理斷裂分析與改善驗證
(Analysis of Heat Treated Jaw Fracture of Endoscope Clip Applier and Validation of Mitigation Measure)
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摘要(中) 內窺鏡施夾器是一種用於膽囊切除和多種其它腹腔鏡微創手術用器械,在手術過程中短暫侵入人體;而其主要作用是透過夾爪與促動器配合,確保鈦釘能確實將血管結紮達到止血目的[1]。
而其中關鍵產品便是夾爪,特性必需具有足夠回彈力及降伏強度,確保鈦釘閉合後促動器可往後回到原始位置,並在如此往復作動情況下不會產生疲勞失效;進而導致鈦釘未能確實將血管結紮止血影響到手術進行。故夾爪材質通常選用麻田散鐵系不銹鋼,具有良好的機械性能和中等的耐腐蝕性,並可透過淬火與回火的熱處理機制,獲得夾爪產品最重要回彈力及降伏強度機械性質。
本文研究的目的是分析淬火冷卻過程中,冷卻速度快慢對麻田散鐵系不銹鋼的組織、力學性能和腐蝕性能的影響。透過研討分析及實際熱處理實驗驗證;進而得到符合產品需求及具備量產能力熱處理參數條件。
摘要(英) The endoscope clip applier is an instrument used for cholecystectomy and various other laparoscopic minimally invasive surgery, which temporarily invades the human body during the operation; and its main function is to ensure that the titanium nail can be reliably achieved through the cooperation of the jaw and the actuator. The blood vessel is ligated to achieve the purpose of hemostasis[1].
The key product is the gripper. The characteristics must have sufficient resilience and yield strength to ensure that the actuator can return to the original position after the titanium nail is closed, and will not cause fatigue failure under such reciprocating action. The titanium nail fails to ligate the blood vessel, which affects the operation. Therefore, the gripper is usually made of martensitic stainless steel (MSSs), which has good mechanical properties and moderate corrosion resistance. The most important mechanical properties of the gripper product′s elasticity and yield strength can be obtained through the heat treatment mechanism of quenching and tempering.
The purpose of this paper is to analyze the influence of the cooling rate on the microstructure, mechanical properties and corrosion properties of the martensitic stainless steel (MSS) during the quenching and cooling process. Validated through discussion and analysis and actual heat treatment experiments, the heat treatment parameter conditions that meet product requirements and have mass production capacity are obtained
關鍵字(中) ★ 夾爪
★ 回彈力
★ 疲勞失效
★ 麻田散鐵系不銹鋼
★ 淬火
★ 冷卻速度
★ 熱處理實驗
關鍵字(英)
論文目次 摘 要 I
Abstract II
誌 謝 III
目 錄 IV
圖目錄 VII
表目錄 XI
第一章:緒論 1
1-1 前言 1
1-2 文獻回顧 2
1-3 內窺鏡施夾器產品功能 3
1-4 夾爪產品功能及製造流程 4
1-5 夾爪產品材料特性 6
1-5-1 不銹鋼的發展歷史 10
1-6 夾爪熱處理製程重點 11
1-7 研究動機及方法 13
第二章:夾爪產品斷裂異常問題說明 14
2-1 熱處理作業 14
2-2 熱處理檢驗數據 21
2-3 夾爪產品斷裂異常資料 28
第三章:材料與實驗設置 34
3-1 實驗材料 34
3-2 實驗設備 35
3-3 實驗條件 40
第四章:實驗結果與討論 41
4-1  條件一實驗過程、數據與結果 41
4-1-1 條件一實驗過程 41
4-1-2 條件一實驗數據 42
4-1-3 條件一實驗結果 45
4-2 條件二實驗過程、數據與結果 46
4-2-1 條件二實驗過程 46
4-2-2 條件二實驗數據 48
4-2-3 條件二實驗結果 49
4-3 條件三實驗過程、數據與結果 50
4-3-1 條件三實驗過程 50
4-3-2 條件三實驗數據 52
4-3-3 條件三實驗結果 53
4-4 條件四實驗過程、數據與結果 54
4-4-1 條件四實驗過程 54
4-4-2 條件四實驗數據 56
4-4-3 條件四實驗結果 71
4-5 條件五實驗過程、數據與結果 73
4-5-1 條件五實驗過程 73
4-5-2 條件五實驗數據 75
4-5-3 條件五實驗結果 79
第五章:結論 80
5-1 結論 80
5-2 未來展望 81
參考文獻 82
參考文獻 [1] https://www.jnjmedicaldevices.com/en-US/product/ligamax-endo-clip
-applier, accessed in 2020
[2] C. Garcia de Andre´s, G. Caruana, L.F. Alvarez, “Control of M23C6 carbides in 0.45C–13Cr martensitic stainless steel by means of three representative heat treatment parameters”, Pages 1, Figure 6,1998
[3] A. Nasery Isfahany , H. Saghafian , G. Borhani, “The effect of heat treatment on mechanical properties and corrosion behavior of AISI420 martensitic stainless steel”, Pages 1, 2011
[4] Yangfan Jin,Yitao Yang, “Behaviour mechanism of carbide in quenching and tempering process of Nb-bearing martensitic stainless steel”, Pages 2,2020
[5] 鐿鈦科技股份有限公司內訓教材:「認識材料-不銹鋼的分類與選用」, Pages 1-4, Pages 13-14, 2015
[6] 鐿鈦科技股份有限公司內部文件: 「2011-10-05-004629」,版次: 04, Pages 1-4, 2011
[7] P. Monnartz, W. Borchers, “There was a significant boost in corrosion resistance when at least 10.5% chromium was present”, 1908-1911
[8] Eduard Maurer , Benno Strauss (Employees of the Krupp works), “Developed austenitic stainless steel with<1%C, 15-40%Cr, <20%Ni”, 1911-1914
[9] Becket , Dantsizen, “Developed fertilizer stainless steel with 0.07-0.15%C, 14-16%Cr”, 1911-1914
[10] Harry Brearley, “Developed martensitic stainless steel with12-13%Cr”, 1911-1914
[11] The UNIEUX laboratory, “Found that the corrosion resistance of austenitic stainless steel is significantly improved when ferrous iron is contained”, 1935
[12] Krupp Iron Works, “Developed Cr-Mn-N (200 series) austenitic stainless steel with Ni-free”, 1940-1950
[13] U.S. Steel / Armco, “Development/mass production of Asada loose iron precipitation hardening stainless steel 17-4 PH”, 1945/1948
[14] Sunil Kumar Bonagani ,Vishwanadh B, Sharma Tenneti, Naveen Kumar N, Vivekanand Kain, “Influence of tempering treatments on mechanical properties and hydrogen embrittlement of 13wt % Cr martensitic stainless steel”, Pages 1, 2019
[15] https://www.assb.com, accessed in 2020
[16] 鐿鈦科技股份有限公司內部文件: 「編號SOP-CB106」,版次: 01, 2020
[17] 鐿鈦科技股份有限公司內訓教材: 「熱處理設備-真空爐各系統介紹」, Pages 9-11, 2015
[18] 鐿鈦科技股份有限公司內部文件: 「編號SOP-CB105」,版次: 01, 2020
[19] 鐿鈦科技股份有限公司內部文件: 「編號SOP-CB110」,版次: 01, 2020
[20] Yangfan Jin,Yitao Yang, “Behaviour mechanism of carbide in quenching and tempering process of Nb-bearing martensitic stainless steel” , Pages 7,2020
指導教授 傅尹坤 審核日期 2021-8-3
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