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Fracture Study on 2014-T6 (LT) Alumi...
~
Himmiche, Sara.
Fracture Study on 2014-T6 (LT) Aluminum Alloy Sheet Using Critical-Crack-Tip-Opening-Angle Criterion.
紀錄類型:
書目-語言資料,印刷品 : Monograph/item
正題名/作者:
Fracture Study on 2014-T6 (LT) Aluminum Alloy Sheet Using Critical-Crack-Tip-Opening-Angle Criterion./
作者:
Himmiche, Sara.
出版者:
Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:
84 p.
附註:
Source: Masters Abstracts International, Volume: 57-02.
Contained By:
Masters Abstracts International57-02(E).
標題:
Aerospace engineering. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10640513
ISBN:
9780355513769
Fracture Study on 2014-T6 (LT) Aluminum Alloy Sheet Using Critical-Crack-Tip-Opening-Angle Criterion.
Himmiche, Sara.
Fracture Study on 2014-T6 (LT) Aluminum Alloy Sheet Using Critical-Crack-Tip-Opening-Angle Criterion.
- Ann Arbor : ProQuest Dissertations & Theses, 2017 - 84 p.
Source: Masters Abstracts International, Volume: 57-02.
Thesis (M.Eng.)--Mississippi State University, 2017.
A two-parameter fracture criterion (TPFC), relates the linear-elastic stress intensity factor KIe and net-section stress Sn at failure with two-material parameters, KF and m. The objective of this work was to validate the TPFC. Two-dimensional elastic-plastic finite-element analyses (FEA) were used with the critical crack-tip-opening-angle fracture criterion and a plane-strain-core height to match failure loads on middle-crack-tension, M(T), specimens made of 2014-T6 (LT) aluminum alloy. The same analyses were used on single-edge-crack-tension, SE(T), and-single-edge-crack-bend, SE(B), specimens. A wide range in specimen widths (w = 0.75 to 24 in.) were considered. The finite-element code, ZIP2D, was used to calculate critical stress-intensity factors at failure corresponding to all crack configurations for crack-length-to-width ratios of 0.2 to 0.8. The results from FEA agreed very well with the TPFC predictions for net-section stresses less than the material proportional limit. Further study is needed for higher net-section stresses on SE(T) and SE(T) specimens.
ISBN: 9780355513769Subjects--Topical Terms:
686400
Aerospace engineering.
Fracture Study on 2014-T6 (LT) Aluminum Alloy Sheet Using Critical-Crack-Tip-Opening-Angle Criterion.
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A two-parameter fracture criterion (TPFC), relates the linear-elastic stress intensity factor KIe and net-section stress Sn at failure with two-material parameters, KF and m. The objective of this work was to validate the TPFC. Two-dimensional elastic-plastic finite-element analyses (FEA) were used with the critical crack-tip-opening-angle fracture criterion and a plane-strain-core height to match failure loads on middle-crack-tension, M(T), specimens made of 2014-T6 (LT) aluminum alloy. The same analyses were used on single-edge-crack-tension, SE(T), and-single-edge-crack-bend, SE(B), specimens. A wide range in specimen widths (w = 0.75 to 24 in.) were considered. The finite-element code, ZIP2D, was used to calculate critical stress-intensity factors at failure corresponding to all crack configurations for crack-length-to-width ratios of 0.2 to 0.8. The results from FEA agreed very well with the TPFC predictions for net-section stresses less than the material proportional limit. Further study is needed for higher net-section stresses on SE(T) and SE(T) specimens.
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