Effects of ZrO₂ and Al₂O₃ Addition on the Physical Properties of Cu-Mo-Cr Alloy by Liquid Phase Sintering

• Autorzy: Cho Yeong-Woo , Sim Jae-Jin , Heo Sung-Gue , Kim Hyun-Chul , Lee Yong-Kwan , Byeon Jong-Soo , Lee Yong-Tak , Lee Kee-Ahn , Seo Seok-Jun , Park Kyoung-Tae

Identyfikatory

DOI

10.24425/amm.2021.136361

• Języki publikacji: EN

Abstrakty

EN

In this study, the effect of the addition of ZrO₂ and Al₂O₃ ceramic powders to Cu-Mo-Cr alloy was studied by examining the physical properties of the composite material. The ceramic additives were selected based on the thermodynamic stability calculation of the Cu-Mo-Cr alloys. Elemental powders, in the ratio Cu:Mo:Cr = 60:30:10 (wt.%), and approximately 0-1.2 wt.% of ZrO₂ and Al₂O₃ were mixed, and a green compact was formed by pressing the mixture under 186 MPa pressure and sintering at 1250°C for 5 h. The raw powders were evenly dispersed in the mixed powder, as observed by scanning electron microscopy. After sintering, the microstructures, densities, electrical conductivities, and hardness of the composites were evaluated. We found that the addition of ZrO₂ and Al₂O₃ increased the hardness and decreased the electrical conductivity and density of the composites.

Słowa kluczowe

EN

Al2O3; ZrO2; Cu-Mo-Cr; sintering; powder metallurgy

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2021
• Tom: Vol. 66, iss. 3
• Strony: 683--687
• Opis fizyczny: Bibliogr. 21 poz., rys., tab., wykr., wzory

Twórcy

autor

Cho Yeong-Woo

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea
• Inha University, Department of Advanced Materials Engineering, Incheon 22212, Korea

• https://orcid.org/0000-0002-9602-9021

autor

Sim Jae-Jin

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea
• Inha University, Department of Advanced Materials Engineering, Incheon 22212, Korea

• https://orcid.org/0000-0003-1691-8724

autor

Heo Sung-Gue

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea
• Korea University, Department of Materials Science and Engineering, Seoul 02841, Korea

• https://orcid.org/0000-0001-7086-5884

autor

Kim Hyun-Chul

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea
• Korea University, Department of Materials Science and Engineering, Seoul 02841, Korea

• https://orcid.org/0000-0002-2464-0411

autor

Lee Yong-Kwan

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea
• Inha University, Department of Advanced Materials Engineering, Incheon 22212, Korea

• https://orcid.org/0000-0001-6193-6345

autor

Byeon Jong-Soo

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea
• Inha University, Department of Advanced Materials Engineering, Incheon 22212, Korea

• https://orcid.org/0000-0001-9158-0618

autor

Lee Yong-Tak

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea
• Inha University, Department of Advanced Materials Engineering, Incheon 22212, Korea

• https://orcid.org/0000-0003-3054-5549

autor

Lee Kee-Ahn

• Inha University, Department of Advanced Materials Engineering, Incheon 22212, Korea

• https://orcid.org/0000-0003-2149-3871

autor

Seo Seok-Jun

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea

• https://orcid.org/0000-0001-7599-743X

autor

Park Kyoung-Tae

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 7-50 Songdo-dong Yeonsoo-gu, Incheon 21999, Korea

• https://orcid.org/0000-0002-4048-5888

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Uwagi

1. This study was supported by the Korea institute of energy Technology evaluation and Planning (KeTeP), the Ministry of Trade, Industry & Energy (moTie) of the Republic of Korea (No. 20165010100870), the Korea Technology and Information Promotion Agency for Smes (TiPA), and the Ministry of Smes and Startups of the Republic of Korea (No. S2761733).

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).