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【封面文章】桂凯璇等:镍基高温合金与TiN的界面润湿行为
许多研究表明,非金属夹杂物的存在显著降低了合金的疲劳寿命和强度。TEXIER D等研究了IN718DA合金在室温低周疲劳条件下的裂纹扩展行为,发现NbC、TiN、NbC-TiN等典型夹杂物作为起裂点使裂纹萌生并扩展至合金基体中,导致疲劳寿命降低。HOIER P等在研究718合金 ...
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