New anti-wear alloy development & Biomass-caused equipment wear issues & mitigation strategy

Kyungjun Lee; Peter Blau; Jeffrey A. Lacey; George R. Fenske; Jun Qu

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자료유형: 학술대회자료

저자정보: Kyungjun Lee (Gachon University) Peter Blau (Blau Tribology Consulting) Jeffrey A. Lacey (Idaho National Laboratory) George R. Fenske (Argonne National Laboratory) Jun Qu (Oak Ridge National Laboratory)

저널정보: 대한기계학회 대한기계학회 춘추학술대회 대한기계학회 플랜트부문 2021년도 춘계학술강연회 논문집

발행연도: 2021.5

수록면: 145 - 145 (1page)

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2021

New anti-wear alloy development & Biomass-caused equipment wear issues & mitigation strategy

Kyungjun Lee , Pete , Blau 외 5명 대한기계학회 춘추학술대회 2021.05 학술대회자료

New anti-wear alloy development & Biomass-caused equipment wear issues & mitigation strategy

Kyungjun Lee 한국트라이볼로지학회 학술대회 2021.04 학술대회자료

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Quasicrystals have been used in various applications to improve wear resistance as well as friction. It is known that quasicrystal (i-phase) content and microstructure in alloys have a decisive effect on the mechanical properties, tribological performance, and corrosion behavior. In this research, four (β+i)-dual-phased quasicrystal alloys with different i-phase content and grain size were developed to alleviate the brittleness of the i-phase with the help of the soft β-phase. The influences of the i-phase content and grain size were investigated through impact test, wear test, and corrosion analysis. Through the annealing process, the amount of the i-phase was increased by about 38% (59.24% → 81.75%), and, besides, the grain size of the i-phase was simultaneously increased from 3.47 ㎛ up to 9.98 ㎛. As the amount of i-phase increased, it was possible to increase the hardness from 712 HV to 763HV. Meanwhile, the increased grain size (i-phase) reduced the contact stress of the grain during wear testing; thus, the specific wear rate could be decreased from 2.21×10<sup>-4</sup>mm³/Nm to^_@span style=color:#999999 ^_# ... ^_@/span^_#^_@a href=javascript:; onclick=onClickReadNode('NODE10564497');fn_statistics('Z354','null','null'); style='color:#999999;font-size:14px;text-decoration:underline;' ^_#전체 초록 보기^_@/a^_#

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