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Journal of Korean Society for Quality Management > Volume 42(4); 2014 > Article
Journal of Korean Society for Quality Management 2014;42(4): 757-.
혼합물 실험계획과 다수 반응변수 최적화를 통한 속경화 초저온접착제 개발 사례
변재현1, 서판석2, 신지은2, 이륜규2, 염지현2
1경상대학교 산업시스템공학부
2동성화학(주), R&BD Team
A Case Study of Developing Rapid-Hardening Ultra-Low Temperature Adhesives by Mixture Design and Multiple Response Optimization
Jai-Hyun Byun1, Pan Seok Seo2, Ji Eun Shin2, Lyun Gyu Lee2, Ji Hyun Yeom2
1Department of Industrial and Systems Engineering and Engineering Research Institute, Gyeongsang National University
2Research and Business Development Team, Dong Sung Chemical
ABSTRACT
Purpose:
In this paper we present a case study of developing fast curing adhesives for insulation material of LNG carriers using an extreme vertices design with four mixture components. Three material properties are considered - shear strength, viscosity, and tensile strength. In the optimization experiment, we used hardness instead of tensile strength due to shortage of specimens.
Methods:
We employ four-factor extreme vertices design with 19 runs and desirability function approach for simultaneously optimizing three responses. After selecting optimal condition of the mixture components, we do confirmation experiments to verify the reproducibility of the optimal condition under manufacturing circumstance.
Results:
Simultaneous optimal condition for the three responses, that is, shear strength, viscosity, and harness is obtained. At the optimal condition, confirmation experiments are executed in manufacturing circumstance. The variation for the shear strength is not satisfactory, which is due to the variation of the humidity.
Conclusion:
At the optimal condition three material properties are satisfactory. To reduce the variability for the shear strength, robust design is needed.
Key Words: Product Development;Mixture Design;Multiple Responses;Adhesives Development;
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