Abstract
We have tried an electron-beam welding of a Zr-based bulk metallic glass plate to a polycrystalline Zr metal one for a Zr41Ti14Cu12Ni10Be23 (at%) bulk metallic glass having an excellent glass forming ability. We have succeeded in butt-welding the bulk metallic glass and pure Zr metal plates with a thickness of 3 mm. Invisible defect or clack was detected around the bead and heat-affected zone. The bulk metallic glass around the interface kept the amorphous state. Formation of any crystalline phases except for hcp-Zr was not detected in the interface. The interface of the successfully welded sample exhibited enough toughness and joining strength to endure the bending through 90 degrees by hammering.
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