Hydriding/dehydriding behaviors of La
The time of ball-milling under an argon atmosphere is 10, ... on a QM-1SP planetary-type ball mill. The weight ratio of the balls to powder was 20:1. The vial was thenResults and discussion. Fig. 1 shows XRD patterns of the La 1.8 Ca 0.2 Mg 14 Ni 3 alloy powders milled at different time. Ball-milling time affects the micro-structure and …