Formation of Bulk Pd-Cu-Si-P Glass with Good Mechanical Properties

نویسندگان

  • Li Liu
  • Akihisa Inoue
  • Tao Zhang
چکیده

Glassy Pd85 xCuxSi10P5 (x 1⁄4 5{12 at%) alloys with a supercooled liquid region ( Tx) of 51–73K were synthesized despite the low metalloid content. The glassy Pd79Cu6Si10P5 alloy exhibits the largest Tx of 73K in the present alloy system and its critical diameter for glass formation reaches 5mm by copper mold casting. For the bulk glassy Pd79Cu6Si10P5 alloy, the Young’s modulus, compressive yield strength and maximum compressive strength are 82GPa, 1475MPa and 1575MPa, respectively. Distinct compressive plastic strain of 3.5% and a vein pattern morphology on the fracture surface indicate the ductile nature of the bulk glassy Pd-Cu-Si-P alloy.

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تاریخ انتشار 2005