| 摘要 |
The present invention overcomes brittleness of various beryllium alloys including beryllium intermetallic compounds and thereby provides a lightweight material for gas turbines. It's achieved by employing an alloy consisting essentially of an alloy of any one or more intermetallic compounds selected from the group of Be<SUB>12</SUB>M, but Be<SUB>13</SUB>M if M is Zr, Be<SUB>10</SUB>M, and Be<SUB>17</SUB>M, where M is any one or more metallic elements selected from the group of Ti, V, Mo, W, Zr, Nb and Ta.
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