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박철우 ( Park Cheul-woo ),신상호 ( Sin Sang-ho ),이동건 ( Lee Dong-gun ),조영빈 ( Jo Young-bin ),주희정 ( Ju Hee-jung ),임남기 ( Lim Nam-gi ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.1
A comparative analysis of wear resistance and shock resistance tests shows that wear resistance is up to 6 times and at least 2 times higher wear resistance than current products, even considering the limited number of turns due to too much rotation. In the case of shock resistance, there was no problem except 7.5T, but this is only a result of KS test method, so it is deemed that additional fall impact tests by various objects in daily life are needed for practical comparison.