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研究生:黃翊瑋
研究生(外文):Huang, Yi Wei
論文名稱:尼龍6人造肌肉的機械性質
論文名稱(外文):Mechanical properties of nylon 6 artificial muscle
指導教授:李三保李三保引用關係
指導教授(外文):Lee,Sanboh
口試委員:黃健朝蔣東堯薛承輝洪健龍
口試委員(外文):Huang, Chien ChaoChiang, Don YauHsueh, Chun HwayHung, Chien Long
口試日期:2016-12-29
學位類別:碩士
校院名稱:國立清華大學
系所名稱:材料科學工程學系
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:2017
畢業學年度:105
語文別:英文
論文頁數:129
中文關鍵詞:人造肌肉應力鬆弛潛變拉伸測試
外文關鍵詞:artificial musclestress relaxationcreeptensile test
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尼龍6人造肌肉具有低成本、高強度、輕量、高效能的優勢,因此近年來被廣泛討論。本文探討尼龍6人造肌肉的機械性質,包含潛變、應力鬆弛、熱驅動力及拉伸測試。
透過退火可達到尼龍6人造肌肉定型的效果,本文設定四種退火溫度,討論退火溫度對於機械性質的影響。潛變及應力鬆弛的結果可以用standard linear solid model得到很好的解釋,所得的鬆弛速率(βc及βS)符合阿瑞尼士方程式,故可以得到βc和βS的活化能。反應活化能隨著退火的溫度上升而下降。
本文亦探討關於雞肉肌肉纖維和未纏繞尼龍6纖維的機械性質,評估纏繞加工帶來的影響,以及生物肌肉和人造肌肉的比較。拉伸測試結果顯示,未纏繞尼龍6纖維楊式係數最大,而雞肉肌肉纖維最小。三種不同材料都可以用standard linear solid model解釋潛變的結果,所得的鬆弛速率βc都符合阿瑞尼士方程式。未纏繞尼龍6纖維和尼龍6人造肌肉趨勢相同,反應活化能隨著退火的溫度上升而下降。
結晶度的測試中,結晶度隨著退火溫度上升而上升,本文將探討結晶度與機械性質 (潛變、應力鬆弛)的關聯性。
Artificial muscles from nylon 6 fibers have been widely studied for their low-cost, high-strength, light weight, and high performance. We investigate mechanical properties of nylon 6 artificial muscle including creep, stress relaxation, thermal actuation force, and tensile tests.
Shape of nylon 6 artificial muscle can be fixed after annealing, and we apply four different annealing temperatures to study the influence of annealing temperature on mechanical properties. We use standard linear solid model to fit the creep and stress relaxation data, and the relaxation rate (βc and βS) satisfies the Arrhenius equation. The activation energy decreases with increasing annealing temperature.
We also investigate the mechanical properties of nylon 6 non-twisted fibers and chicken muscle fibers to evaluate the influence of twist insertion and the difference between natural muscle and artificial muscle. In tensile tests, nylon 6 non-twisted fibers have largest Young’s modulus and chicken muscle fibers have the smallest. In creep tests, these three materials all follow standard linear model, and the relaxation rates (βc) satisfy the Arrhenius equation. Like nylon 6 artificial muscles, the activation energy in the creep test decreases with increasing annealing temperature for nylon 6 non-twisted fibers.
The studies of crystallinity show that crystallinity increases with increasing annealing temperature. We discuss the influence of crystallinity on creep tests and stress relaxation.  
Contents
Acknowledgments I
Abstract II
摘要 III
Contents Ⅳ
Chapter 1 Introduction 1
Chapter 2 Experimental Procedure 22
Chapter 3 Tensile Test 33
Chapter 4 Creep Test 48
Chapter 5 Stress Relaxation 83
Chapter 6 Thermal Actuation Force 98
Chapter 7 Crystallinity 105
Chapter 8 Morphology of Chicken Muscle 115
Chapter 9 Conclusions 121
References 124
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