Biodegradable metallic glasses are used as disposable green devices whose constituents decompose into harmless byproducts, leaving no residual waste and requiring no removal surgery. Here, the large size Ca-based (Ca₆₅Mg₁₅Zn₂₀) bulk metallic glasses (BMGs) were fabricated by consolidating gas-atomized metallic glassy alloy powder using a spark plasma sintering (SPS) technique. The effects of sintering temperature on structure, mechanical properties, and biodegradation rate of the developed Ca-based BMGs in Hank's solution were evaluated. The high-strength consolidated samples with a fully glassy phase and suitable biodegradation rate were produced by the SPS process at a sintering temperature of 120 °C with a loading pressure of 600 MPa. The Ca–Mg–Zn bulk metallic glass alloys developed by the SPS process can offer excellent properties and satisfy large sample-size requirements, which opens possibilities of application as biodegradable materials.

可生物降解的金属玻璃被用作一次性绿色装置，其成分分解成无害的副产物，不留下任何残留废物，也不需要进行移除手术。这里，大尺寸的钙基（Ca ₆₅ Mg ₁₅ Zn ₂₀) 块状金属玻璃 (BMG) 是通过使用放电等离子烧结 (SPS) 技术巩固气体雾化金属玻璃合金粉末制造的。评估了烧结温度对所开发的 Ca 基 BMG 在 Hank 溶液中的结构、力学性能和生物降解率的影响。采用 SPS 工艺在 120 ℃的烧结温度和 600 MPa 的加载压力下制备了具有完全玻璃相和合适生物降解速率的高强度固结样品。通过 SPS 工艺开发的 Ca-Mg-Zn 块状金属玻璃合金具有优异的性能，可满足大样本量的要求，为可生物降解材料的应用开辟了可能性。