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在研究中硅耐热球铁时发现，铸态下固有的氢含量直接影响其脆性。由此推出，中硅耐热铸铁中可能存在着氢脆。
In the study of heat-resistant ductile iron, it was found that the inherent hydrogen content in the as-cast had a direct effect on its brittleness. As a result, there may be hydrogen embrittlement in heat-resistant silicon castings.