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Research about Size Effect of Solid Particles on Erosion Resistance of Aluminum Alloy and Infrared Windows
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충돌 입자의 크기에 따른 알루미늄 합금과 적외선창의 입자침식 저항성 연구

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Type
Academic journal
Author
Yun Ky Hong (Agency of Defence Development) Kwan Ho Moon (Agency of Defence Development)
Journal
The Korean Society for Aeronautical & Space Sciences Journal of the Korean Society for Aeronautical & Space Sciences Vol.44 No.12 KCI Excellent Accredited Journal SCOPUS
Published
2016.12
Pages
1,027 - 1,034 (8page)

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Research about Size Effect of Solid Particles on Erosion Resistance of Aluminum Alloy and Infrared Windows
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Abstract· Keywords

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In this research, experimental study about size effect of solid particles on erosion resistance is presented. A high-density polyethylene particle with a mm-sized diameter is accelerated using a two-stage light gas gun up to Mach number of approximately 3.0. An accelerated particle impacts aluminum alloy such as Al1050 and Al6061 T6, and infrared windows such as ZnS and sapphire specimens. For the aluminum alloy, craters that form on the surface of the specimens are measured to characterize the erosion resistance of the material. For the infrared windows, repetitive tests are conducted until a linear or circumferential crack is found to create damage threshold curves that define a material’s erosive resistance. From the comparison of test data for various sizes of high-density polyethylene particles, it is found that erosion resistance of material is linearly dependent on the size of particles.
#Particle erosion(입자침식) #Impact(충돌) #High-density Polyethylene(고밀도 폴리에틸렌) #Aluminum alloy(알루미늄 합금) #Infrared window(적외선창)

Contents

ABSTRACT
초록
Ⅰ. 서론
Ⅱ. 시험 장치
Ⅲ. 알루미늄 합금 시험
Ⅳ. 적외선창 시험
Ⅴ. 결론
References

References (7)

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[학술지(정기간행물)] - Hong, Y. K / 2009 / High Velocity Impact of Ice Particles on a Composite Material / Journal of Composite Materials 43 (17) : 1819 ~ 1834 google schola [보고서] - Seward, C. R / 1994 / Studies of Rain Erosion Mechanisms in a Range of IR Transmitting Ceramics – Including Coated Samples google schola [학술지(정기간행물)] - Adler, W. F / 1992 / Multiple Simulated Waterdrop Impact Damage in Zinc Sulfide at Supersonic Velocities / SPIE Window and Dome Technologies and Materials II 1760 : 303 ~ 315 google schola [학술지(정기간행물)] - Adler, W. F / 1999 / Rain Impact Retrospective and Vision for the Future / Wear 233-235 : 25 ~ 38 google schola [학술지(정기간행물)] - Hand, R. J / 1991 / The Use of Liquid Jets to Simulate Angled Drop Impact / Journal of Applied Physics 70 : 7111 ~ 7118 google schola

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