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자동차용 구조접착접합이음의 응력해석과 강도평가에 관한 연구
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 Title & Authors
자동차용 구조접착접합이음의 응력해석과 강도평가에 관한 연구
Yu, Yeong-Cheol; O, Seung-Gyu; Lee, Won;
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Static tensile tests using adhesive-bonded single-lap joints of aluminum alloy were conducted to investigate the effect of geometric factor, overlap length, adherend thickness, adhesive thickness and material composition of adherend/adhesive on the strength of adhesive joint. The average applied shear stress at joint fracture decreased with increasing lap length. However increasing the adherend thickness resulted in a higher joint strength. Higher yield strength of adherend and lower elastic modulus of adhesive is advantageous to the adhesive joint. Newly proposed modified joint factor could be well evaluated the influence of lap length, adherend thickness and adhesive thickness on the bond strength for adhesive joints.
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