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激光参数调控熔池元素实现激光粉末床熔融原位合金化双相高熵合金 ...
激光粉末床熔融(PBF-LB)是主流的金属增材制造技术之一,可制造复杂形状和高精度部件,同时避免了传统制造工艺中对模具或切削工具的依赖,显著拓展了设计可能性。通过调控增材制造过程中微观结构的演变(称为原位调控),可在不同区域实现力学性能的 ...
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Fed holds rates steady
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UN climate report
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$524M for Helene recovery
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