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发明公开
CN101780604A 一种NiCrBSi-NiSiB复合粉末钎焊材料 失效 - 权利终止

一种NiCrBSi-NiSiB复合粉末钎焊材料
摘要：
本发明涉及高温合金钎焊材料领域，具体为一种NiCrBSi-NiSiB复合粉末钎焊材料。该高温合金粉末钎焊材料由NiCrBSi和NiSiB两种合金粉末机械混合而成，其中NiCrBSi称为焊料，重量百分比为40～80％。NiSiB称为填料，重量百分比为20～60％。按重量百分比计，所述NiCrBSi焊料的化学组成如下：Fe 2-6；Cr 12-18；Si 3-6；Al 0.1-1.0；B 1-5；C0.1-0.9；Ni余量。按重量百分比计，所述NiSiB填料的化学组成如下：Si 1.5-2.5；B0.5-1.5；Ni余量。该粉末钎焊材料颗粒直径不大于0.3mm，该复合粉末钎焊材料由气体雾化方法制备，该复合粉末钎焊材料的钎焊温度为1100～1250℃。随着新材料的不断出现和使役环境苛刻程度的增加，已有的高温钎焊材料已不能满足其使用要求，本发明可以解决具有特殊环境应用的高温合金连接问题。
摘要（英）：

The invention relates to the high-temperature alloy brazing material field, in particular to NiCrBSi-NiSiB composite powder brazing material. The high-temperature alloy powder brazing material is prepared by blending NiCrBSi and NiSiB on the machine, wherein NiCrBSi is used as solder, the weight percentage is 40-80%, NiSiB is used as packing and the weight percentage is 20-60%. The solder NiCrBSi comprises the following chemical compositions by weight percent: 2-6% of Fe, 12-18% of Cr, 3-6% of Si, 0.1-1.0% of Al, 1-5% of B, 0.1-0.9% of C and the balance Ni; and the packing NiSiB comprises the following chemical compositions by weight percent: 1.5-2.5% of Si, 0.5-1.5% of B and the balance Ni. The particle diameter of the powder brazing material is not more than 0.3mm, the composite powder brazing material is prepared by gas atomization method and the brazing temperature of the composite powder brazing material is 1100-1250 DEG C. The existing high-temperature brazing material can not meet the operating requirements along with the continuous occurrence of new materials and the improvement of the standard of causative environment, and the invention can solve the connection problem of high-temperature alloy which can be used in special environments.

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