발간논문

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Vol.24, No.6, 655 ~ 663, 1986
Title
A Study on the bonding Strength of Interface in Carbon Steel / Cr - Cast Iron bimetal
이철로Cheul Ro Lee, 임승택Seung Tack Leem, 천병선Byong Sun Chun
Abstract
A carbon steel/Cr-cast iron bimetal produced by an alloy cored wire welding method showed a zigzag type fracture in the interface in tension tests. Results obtained from the interface were; σ_(UTS) = 29.75 (㎏/㎟) σ_(ys) =20.08 (㎏/㎟) E = 8.5 × 10^7(psi). The evaluated value of J_(IC) was 0.7 ㎏.f/㎜. Brittle fracture were observed only in the cant structure. Wear resistance of hardfaced metal was superior to that of base metal. The wear mechanism was mostly abrasive wear. but oxidation wear and adhesive wear were also activated partly.
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