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Cyclic Inelastic Deformation and Fatigue Life Behaviour of Notched Components

B. N. Leis / T. H. Topper / C. V. B. Gowda

Cyclic inelastic deformation response and fatigue notch factor are presented and discussed for two metals of contrasting stress-strain behaviour (an aluminum alloy 2024-T351 and a mild steel SAE 1015). Thin circular or elliptical notched plates fabricated from these metals were subjected to cyclic straining in a servo-controlled testing machine. Results of these tests are discussed in terms of cyclic stress and strain concentration factors and related to notch plate deformation through a parameter derived fron Neuber's rule. The results indicate that the deformation analysis employed, rather than a material 'size effect' is responsible for values of K sub f less that K sub t. (Author)

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Cyclic Inelastic Deformation and Fatigue Life Behaviour of Notched Components

B. N. Leis / T. H. Topper / C. V. B. Gowda

Cyclic inelastic deformation response and fatigue notch factor are presented and discussed for two metals of contrasting stress-strain behaviour (an aluminum alloy 2024-T351 and a mild steel SAE 1015). Thin circular or elliptical notched plates fabricated from these metals were subjected to cyclic straining in a servo-controlled testing machine. Results of these tests are discussed in terms of cyclic stress and strain concentration factors and related to notch plate deformation through a parameter derived fron Neuber's rule. The results indicate that the deformation analysis employed, rather than a material 'size effect' is responsible for values of K sub f less that K sub t. (Author)

Cyclic Inelastic Deformation and Fatigue Life Behaviour of Notched Components

B. N. Leis / T. H. Topper / C. V. B. Gowda

Cyclic inelastic deformation response and fatigue notch factor are presented and discussed for two metals of contrasting stress-strain behaviour (an aluminum alloy 2024-T351 and a mild steel SAE 1015). Thin circular or elliptical notched plates fabricated from these metals were subjected to cyclic straining in a servo-controlled testing machine. Results of these tests are discussed in terms of cyclic stress and strain concentration factors and related to notch plate deformation through a parameter derived fron Neuber's rule. The results indicate that the deformation analysis employed, rather than a material 'size effect' is responsible for values of K sub f less that K sub t. (Author)

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Title:

Cyclic Inelastic Deformation and Fatigue Life Behaviour of Notched Components

Contributors:

B. N. Leis (author) / T. H. Topper (author) / C. V. B. Gowda (author)

Publication date:

1974

Size:

41 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Nonferrous Metals & Alloys , Iron & Iron Alloys , Fatigue(Mechanics) , Plastic deformation , Notch sensitivity , Aluminum alloys , Steel , Stress strain relations , Cycles , Canada , Aluminum alloy 2024 , Steel 1015 , Fatigue life

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