Study on the reduction of stick-slip noise in acrylonitrile butadiene styrene-based plastics using non-polar additives to reduce friction

Sangjun Yeo; Yewon Jeong; Sunguk Choi; Hyojun Kim; Geonwook Park; Minyoung Shon

doi:10.7776/ASK.2024.43.1.049

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2024 Vol.43, Issue 1 Preview Page Next Page

Research Article

Study on the reduction of stick-slip noise in acrylonitrile butadiene styrene-based plastics using non-polar additives to reduce friction 마찰 저감을 위한 비극성 첨가제에 따른 acrylonitrile butadiene styrene계 플라스틱의 stick-slip 이음 저감 연구

31 January 2024. pp. 49-59

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Abstract

Recently, the electric vehicle market is gradually growing due to strengthened environmental regulations and high oil prices. also, in internal combustion engine vehicles, the sensitivity of Buzz, Squeak, Rattle (BSR) noise is increasing as engine Noise, Vibration, and Harshness (NVH)-related noise is reduced and technology for shielding noise coming from outside is developed. In this study, the stick-slip noise that occurs in Panoramic Curved Display (PCD) of automobile was analyzed for the correlation between the surface energy of polymer plastic and the polar component. For polar polymer materials, Acrylonitrile Butadiene Styrene (ABS) and PolyCarbonate-Acrylonitrile Butadiene Styrene (PC-ABS), compound materials were fabricated and evaluated. As a result, when the polar component of the polymer plastic was 3.86 mN/m or higher, stick-slip motion occurred, and as the absolute transition slope increased in the friction behavior over time, the possibility of stick-slip noise increased and the value of the friction coefficient The greater the difference, the greater the strength of the stick-slip noise.

Keywords

Buzz

Squeak

Rattle (BSR)

Stick-slip

Noise

Polymer

Surface energy

최근 환경규제가 강화되고 고유가 문제로 인하여 전기차 시장이 점차 커지고 있으며 또한 내연기관 자동차에서도 엔진의 Noise, Vibration, Harshness(NVH) 관련 소음이 저감되고 외부에서 유입되는 소음의 차폐 기술이 발전됨에 따라 Buzz, Squeak, Rattle(BSR) 이음의 민감도가 증가하는 추세이다. 본 연구에서는 자동차의 Panoramic Curved Display(PCD)에서 발생하는 Stick-slip 이음과 고분자 플라스틱의 표면에너지 및 극성 성분과의 상관관계에 대하여 분석하였다. 극성 고분자 소재인 Acrylonitrile Butadiene Styrene(ABS)와 PolyCarbonate-Acrylonitrile Butadiene Styrene(PC-ABS)를 대상으로 컴파운드 소재를 제작하여 평가하였다. 결과적으로 고분자 플라스틱의 극성성분이 3.86 mN/m 이상일 때 Stick-slip 거동이 발생하였으며, 시간에 따른 마찰 거동에서 absolute transition slope가 증가할수록 Stick-slip의 이음 가능성이 증가하고 마찰계수의 값 차이가 클수록 Stick-slip 이음의 세기가 증가하였다.

키워드

Buzz

Squeak

Rattle (BSR)

스틱-슬립

이음

고분자

표면에너지

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Information

Publisher :The Acoustical Society of Korea
Publisher(Ko) :한국음향학회
Journal Title :The Journal of the Acoustical Society of Korea
Journal Title(Ko) :한국음향학회지
Volume : 43
No :1
Pages :49-59
Received Date : 2023-10-19
Revised Date : 2023-12-14
Accepted Date : 2023-12-18
DOI :https://doi.org/10.7776/ASK.2024.43.1.049

The Journal of the Acoustical Society of Korea ISSN:1225-4428(Print) 2287-3775(Online) 한국음향학회지

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