结果表明：在保护奥氏体化过程中钢样中氢的化学势比气氛中高而导致钢中的氢向保护气氛中扩散。
Both experiments and calculations re-veal that the hydrogen diffuses from the specimen to the atmosphere in the austenising process.
用真空熔炼法制备了多种贮氢合金原样，分别经不同温度、时间热处理和保护气氛下球磨处理。
In this paper a series of RE2MgNi9 hydrogen storage alloys were synthesized by vacuum induction melting method.
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