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Student Number 86323001
Author Bo-Ren Guo(郭博仁)
Author's Email Address No Public.
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Department Mechanical Engineering
Year 1998
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title
Date of Defense
Page Count 70
Keyword

No Any Keyword Information.

Abstract
Table of Content 總目錄
摘要 ………………………………….………………. Ⅰ
符號說明……………………………..………………. Ⅲ
總目錄 ……………………………………...………. Ⅳ
圖目錄 ……………………………………………….Ⅷ
表目錄 ………………………………………………….XⅡ
第一章 緒論…………….……………………………1
1-1超塑性成形概述……...…………………………1
1-2本文研究範疇及目的...…………………………4
第二章 文獻回顧………………………………….…6
2-1 超塑性之分類.……..…………….…………... 6
2-2 超塑成形之組成方程式……....………………7
2-2-1 組成方程式….....………...………….……7
2-2-2 應變數率敏感係數與應變速率之關係….9
2-2-3 應變硬化係數與應變速率敏感係數對材料頸縮現象之影響……...…………...……. 9
2-3 力學概念……………..…………………..…..10
2-3-1基本原理………………………………..……11
2-3-2 m值與伸長率的關係………...……..……… 12
第三章 電腦模擬、實驗設備及過程…………………14
3-1 模擬工具介紹..…………………………………14
3-2 實驗材料及設備……..…………..……….……15
3-3 實驗過程…..……………………..…………..16
3-4 分析方法..………………………..………..…18
第四章 結果與討論………………………..……....20
4-1 成形壓力的控制方法..……..………………..20
4-2 不同應變速率下盒狀自由成形之比較....…..21
4-2-1應變速率對厚度分佈之影響.....…………….22
4-2-2工件有效應變速率之變化....……………..…22
4-2-3 X,Y及厚度方向的應變變化…………...…24
4-3 不同應變速率下盒狀完全成形之比較..………25
4-3-1應變速率對厚度分佈之影響….…….………25
4-3-2工件有效應變速率之變化.…………….……25
4-3-3 X,Y及厚度方向的應變變化...………...….26
4-4變速率下盒狀完全成形之探討..…….…………28
4-4-1應變速率對厚度分佈之影響….….…………28
4-4-2工件有效應變速率之變化.………….………28
4-4-3X,Y及厚度方向的應變變化.…….………..29
4-5不同應變速率下半球狀自由成形之比較……….. 29
4-5-1應變速率對厚度分佈之影響……...………... 29
4-5-2工件有效應變速率之變化………...………... 29
4-5-3X,Y及厚度方向的應變變化…….……..…... 31
4-6不同應變速率下杯狀完全成形之比較…….…... 32
4-6-1應變速率對厚度分佈之影響……..……….... 32
4-6-2工件有效應變速率之變化………...………... 32
4-6-3X,Y及厚度方向的應變變化…….…..……... 32
4-7變速率下杯狀完全成形之探討…………….…... 33
4-7-1應變速率對厚度分佈之影響……...………... 33
4-7-2工件有效應變速率之變化………...………... 34
4-7-3X,Y及厚度方向的應變變化…….…..……... 34
第五章 結論………...…………………….…….... 35
參考文獻……………...………………………….…. 37
Reference 參考文獻
[1] Jiang Xinggang , Cui Jianzhong and Ma Longxiang , “An Experimental Study of Cavity Nucleation During Super-plastic Deformation , MRS ” , Vol.196, 1990 , pp51?56.
[2] C. H. Hamilton , “ Superplastic Sheet Forming ” NATO / AGARD Lecture Series on Superplasticity , 1987.09. p2-1?2-7.
[3] A. K. Ghosh and C. H. Hamilton , ” Superplastic Forming and Diffusion Bonding ” , SPF/DB workshop Taipei Feb.13?15 1990 , pp205?213.
[4] Reger Pearce : ” Superplasticity an overview ” , p1-1?1-13.
[5] J. W. Edington , K. N. Melton and C. P. Cutler : Progress In Mat. Sci. , Vol.21, No.2, 1976 , pp61?158.
[6] C. H. Hamilton , A. K. Ghosh and J. A. Wert , ” Metals Form ” Vol.8 , No.4 , 1985 , pp172?190.
[7] George E. Dieter , ” Mechanical Metallurgy ”, p289?309.
[8] C. H. Hamilton , United States Patent 4.181.000 ,1980.Jan.1.
[9] Binyan Ren. C. H. Hamilton and Beverly Ash , ” An App-roach To Rapid SPF of An Al-Li-Cu-Zr Alloy ” p1?4.
[10] 材料科學 第2卷 第2號 p128.
[11] A. K. Ghosh and C. H. Hamilton , “ Superplastic Forming and Diffusion Bonding ” , SPF / DB wordshop Taipei Feb.13?15 , 1990 , pp121?129.
Advisor
  • (李 雄 博士)
  • Files No Any Full Text File.
    Date of Submission

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