HGH3367高温合金
HGH3367高温合金在高温下，合金的晶界是薄弱环节，加入微量的硼、锆和稀土元素可改善晶界强度。这是因为稀土元素能净化晶界，硼、锆原子能填充晶界空位，降低蠕变过程中晶界扩散速率，抑制晶界碳化物的集聚和促进晶界第二相球化。另外，铸造合金中加适量的铪，也能改善晶界的强度和塑性。还可通过热处理在晶界形成链状分布的碳化物或造成弯曲晶界，提高塑性和强度。
氧化物弥散强化GH600 GH3625 GH3652 GH4033 GH4037 GH4049 GH4080A GH4090 GH4093 GH4098 GH4099 GH4105 GH4133 GH4133B GH4141 GH4145 GH4163 GH4169 GH4199 GH4202 GH4220 GH625 GH652 GH33 GH37 GH49 GH80A GH90 GH93 GH98 GH99 GH105 GH33A GH4133B GH141 GH145 GH163 GH169 GH199 GH202 GH220 GH4413 GH4500 GH4586 GH4648 GH4698 GH4708 GH4710 GH4738 GH4742 GH5188 GH5605 GH5941 GH6159 GH6783 GH413 GH500 GH586 GH648 GH698 GH708 GH710 GH738 GH684 GH742 GH188 GH605 GH941 GH159 GH783 K211 K213 K214 K401 K402 K403 K405 K406 K406C K407 K408 K409
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