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Crystal plasticity modeling of titan...

Georgia Institute of Technology.

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Crystal plasticity modeling of titanium-aluminum-vanadium alloy and its application in cyclic and fretting fatigue analysis.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Crystal plasticity modeling of titanium-aluminum-vanadium alloy and its application in cyclic and fretting fatigue analysis./
作者:	Zhang, Ming.
面頁冊數:	305 p.
附註:	Adviser: David L. McDowell.
Contained By:	Dissertation Abstracts International69-04B.
標題:	Applied Mechanics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoeng/servlet/advanced?query=3308850
ISBN:	9780549569848

Crystal plasticity modeling of titanium-aluminum-vanadium alloy and its application in cyclic and fretting fatigue analysis.
Zhang, Ming.

Crystal plasticity modeling of titanium-aluminum-vanadium alloy and its application in cyclic and fretting fatigue analysis. - 305 p.

Adviser: David L. McDowell.

Thesis (Ph.D.)--Georgia Institute of Technology, 2008.

Ti-6Al-4V, known for high strength-to-weight ratio and good resistance to corrosion, has been widely used in aerospace, biomedical, and high-performance sports applications. A wide range of physical and mechanical properties of Ti-6Al-4V can be achieved by varying the microstructures via deformation and recrystallization processes. The aim of this thesis is to establish a microstructure-sensitive fatigue analysis approach that can be applied in engineering applications such as fretting fatigue to permit explicit assessment of the influence of microstructure. In this thesis, crystal plasticity constitutive relations are developed to model the cyclic deformation behavior of Ti-6Al-4V. The development of the slip bands within alpha-TiAl has been widely reported and has been found to play an important role in deformation and fatigue behaviors of Ti-6Al-4V. The shear enhanced model is used to simulate the formation and evolution of slip bands triggered by planar slip under static or quasi-static loading at room temperature. Fatigue Indicator Parameters (FIPs) are introduced to reflect driving force for the different crack formation mechanisms in Ti-6Al-4V. The cyclic stress-strain behavior and fretting fatigue sensitivity to microstructure and loading parameters in dual phase Ti-6Al-4V are investigated.

ISBN: 9780549569848Subjects--Topical Terms:

1018410
Applied Mechanics.

Crystal plasticity modeling of titanium-aluminum-vanadium alloy and its application in cyclic and fretting fatigue analysis.
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300 $a 305 p.
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500 $a Source: Dissertation Abstracts International, Volume: 69-04, Section: B, page: 2596.
502 $a Thesis (Ph.D.)--Georgia Institute of Technology, 2008.
520 $a Ti-6Al-4V, known for high strength-to-weight ratio and good resistance to corrosion, has been widely used in aerospace, biomedical, and high-performance sports applications. A wide range of physical and mechanical properties of Ti-6Al-4V can be achieved by varying the microstructures via deformation and recrystallization processes. The aim of this thesis is to establish a microstructure-sensitive fatigue analysis approach that can be applied in engineering applications such as fretting fatigue to permit explicit assessment of the influence of microstructure. In this thesis, crystal plasticity constitutive relations are developed to model the cyclic deformation behavior of Ti-6Al-4V. The development of the slip bands within alpha-TiAl has been widely reported and has been found to play an important role in deformation and fatigue behaviors of Ti-6Al-4V. The shear enhanced model is used to simulate the formation and evolution of slip bands triggered by planar slip under static or quasi-static loading at room temperature. Fatigue Indicator Parameters (FIPs) are introduced to reflect driving force for the different crack formation mechanisms in Ti-6Al-4V. The cyclic stress-strain behavior and fretting fatigue sensitivity to microstructure and loading parameters in dual phase Ti-6Al-4V are investigated.
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