참고문헌
- Superalloys: Supercomposites and Superceramics J.K.Tien(ed.);T.Caulfield(ed.)
- 合金, 特輯, 金屬 v.62 no.5
- P/M of Superalloys v.Chapter7 G.H.Gessinger(ed.);Butterworth
- Trends in Welding Research T.J.Kelly;S.A.David(ed.)
한국분말재료학회지 (Journal of Powder Materials)
- 제2권1호
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- Pages.53-62
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- 1995
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- 2799-8525(pISSN)
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- 2799-8681(eISSN)
Fe기 MA956 산화물분산강화합금의 천이액상확산접합에 관한 연구
Transient-Liquid-Phase Bonding of Fe-Base MA956 ODS Alloy
초록
TLP(Transient-Liquid-Phase) bonding of Fe-base MA956 ODS alloy was performed. As insert metal a commercially available Ni-base alloy(MBF50) and an MA956 alloy with additive elements of 7wt% Si and 1wt% B were used. To confirm the idea that a concurrent use of MA956 powder with Insert metals can enhance the homogenization of constituent elements and thereby reduce the thickness of joint interface, MA956 powder was also inserted In a form of sheet. SEM observation and EDS analysis revealed that Cr-rich phase was formed in the bonded interface in initial stage of isothermal solidification during the bonding process, irrespective of kind of insert metals. Measurement of hardeness in the region of bonded interface and EDS analysis showed that a complete homogenization of composition could not be obtained especially in case of MBF50. Joints using either BSi insert metals only or BSi insert together with MA956 powder interlayer showed, however, a remarkable improvement in a compositional homogenization, even though a rapid grain growth in the bonded interface could not be hindered.
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