A SIMPLE METHOD FOR DETERMINATION OF RESIDUAL STRESSES USING DOUBLE-HOLE DRILLING TECHNIQUE
HENDY, M., EL-SAYED, M., EL -SOALY, E. (1991). A SIMPLE METHOD FOR DETERMINATION OF RESIDUAL STRESSES USING DOUBLE-HOLE DRILLING TECHNIQUE. EKB Journal Management System, 4(ASAT CONFLENCE 14-16 May 1991 , CAIRO), 229-237. doi: 10.21608/asat.1991.25750
M. O. HENDY; M. M. EL-SAYED; E. E. EL -SOALY. "A SIMPLE METHOD FOR DETERMINATION OF RESIDUAL STRESSES USING DOUBLE-HOLE DRILLING TECHNIQUE". EKB Journal Management System, 4, ASAT CONFLENCE 14-16 May 1991 , CAIRO, 1991, 229-237. doi: 10.21608/asat.1991.25750
HENDY, M., EL-SAYED, M., EL -SOALY, E. (1991). 'A SIMPLE METHOD FOR DETERMINATION OF RESIDUAL STRESSES USING DOUBLE-HOLE DRILLING TECHNIQUE', EKB Journal Management System, 4(ASAT CONFLENCE 14-16 May 1991 , CAIRO), pp. 229-237. doi: 10.21608/asat.1991.25750
HENDY, M., EL-SAYED, M., EL -SOALY, E. A SIMPLE METHOD FOR DETERMINATION OF RESIDUAL STRESSES USING DOUBLE-HOLE DRILLING TECHNIQUE. EKB Journal Management System, 1991; 4(ASAT CONFLENCE 14-16 May 1991 , CAIRO): 229-237. doi: 10.21608/asat.1991.25750

A SIMPLE METHOD FOR DETERMINATION OF RESIDUAL STRESSES USING DOUBLE-HOLE DRILLING TECHNIQUE

International Conference on Aerospace Sciences and Aviation Technology
Article 21, Volume 4, ASAT CONFLENCE 14-16 May 1991 , CAIRO, May 1991, Page 229-237  XML PDF (1.68 MB)
Document Type: Original Article
DOI: 10.21608/asat.1991.25750
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Authors
M. O. HENDY1; M. M. EL-SAYED1; E. E. EL -SOALY2
1Graduate Student and Assoc. Prof. in Mech. Design Dept., Faculty of Eng. and Tech., Mataria, Helwan University, Cairo.
2Prof. Gen. Chief of Mech. and Elasticity Dept., Military Technical College.
Abstract
One of the most common semi-distructive methods for determination of re-sidual stresses in plates is the drilling hole method. In this method, a strain rosette or a set of strain gauges are usually used to measure the relaxed strains induced due to drilling of a central hole. The present work *atroduces a new simple method for determination of residual stresses
in unigxially stressed plates using double hole technique. Optimum dimen-sions for hole diameter and hole spacing, associated with a specific strain-gauge length, are determined. A constant relating the residual stress and the relaxed strain in a plate is obtained. Three different plate materials are considered; steel, laminated brass and aluminum. An experimental work is done to verify the theoretical analysis. For the stated plate materials, the experimental and theoretical results are in a good agreement.
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