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Inclusion engineeri...
Inclusion engineering in Co-based duplex entropic alloys
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- Wang, Wei (författare)
- KTH,Materialvetenskap,Northeast Elect Power Univ, Dept Chem Engn, Jilin 132012, Jilin, Peoples R China.
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- Wang, Yong (författare)
- KTH,Processer,Hanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea.
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- Mu, Wangzhong, Dr. 1985- (författare)
- KTH,Strukturer,Northeastern Univ, Sch Met, Key Lab Electromagnet Proc Mat, Minist Educ, Shenyang 110819, Peoples R China.
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- Park, Joo Hyun (författare)
- KTH,Processer,Hanyang Univ, Dept Mat Sci & Chem Engn, Ansan 15588, South Korea.
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- Kong, Hui (författare)
- Anhui Univ Technol, Sch Met Engn, Maanshan 243002, Anhui, Peoples R China.
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- Sukenaga, Sohei (författare)
- Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan.
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- Shibata, Hiroyuki (författare)
- Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan.
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- Larsson, Henrik (författare)
- KTH,Strukturer,Thermo Calc Software, Råsundav 18, SE-16767 Solna, Sweden.
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- Mao, Huahai, 1971- (författare)
- KTH,Strukturer,Thermo Calc Software, Råsundav 18, SE-16767 Solna, Sweden.
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(creator_code:org_t)
- Elsevier BV, 2021
- 2021
- Engelska.
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Ingår i: Materials & design. - : Elsevier BV. - 0264-1275 .- 1873-4197. ; 210
- Relaterad länk:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Co-based duplex entropic alloy is designed very recently to replace pure Co as a major component of the binder phase for cemented carbide cutting tools. This work aims to provide a fundamental study of oxide inclusion characteristics in the duplex fcc + hcp Co-based entropic alloys. It is found that the Co85-xCrxFe7.5Ni7.5 (x = 15, 30 at.%) alloys hold the highest liquidus (T-liq) and solidus (T-sol) temperatures, compare with the Co85-xCrxMn7.5Ni7.5 (x = 15, 30 at.%) and Co77.5-xCrxFe7.5Mn7.5Ni7.5 (x = 15, 30 at.%) alloys. For each grade, the increasing Cr content leads to a decrease of T-sol and T-liq temperatures. It is also noted that there is an approximate 100 degrees C of undercooling exists in each grade during the solidification. The stable oxide inclusion in the Co85-xCrxMn7.5Ni7.5 and Co77.5-xCrxFe7.5Mn7.5Ni7.5 alloys is the MnCr2O4 type, while Cr2O3 is the main stable inclusion in the Co85-xCrxFe7.5Ni7.5 alloy. Furthermore, the size range of the MnCr2O4 particles is larger than that of Cr2O3. The theoretical calculation shows that MnCr2O4 has a higher coagulation coefficient than Cr2O3 does. This is due to the influence of the thermo-physical parameters, i.e. the interfacial energy between the oxide and the alloy and the viscosity of liquid alloy. The theoretical calculation fits well with the experimental findings.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- Duplex entropic alloys
- Co-based alloys
- Non-metallic inclusion
- High temperature phase equilibria
- Agglomeration
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Wang, Wei
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Wang, Yong
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Mu, Wangzhong, D ...
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Park, Joo Hyun
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Kong, Hui
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Sukenaga, Sohei
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Shibata, Hiroyuk ...
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Larsson, Henrik
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Mao, Huahai, 197 ...
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