Hydrogen Decrepitation (HD) process has been widely used to crash NdFeB ingots in sintered NdFeB magnet industry.
烧结钕铁硼工业中，用于粗破碎钕铁硼合金铸锭的氢脆工艺的应用越来越广泛。
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Compared with the grains of complete hydrogen decrepitation, the grains of selective hydrogen decrepitation are relatively larger and more uniform, but small grains are fewer.