| 简介 |
A composition comprising Ni and the following additional components : (i) Co in an amount in the range from about 4.5 to about 11%; (ii) Cr in an amount in the range from about 7 to about 12%; (iii) Mo in an amount in the range from about 0.5 to about 1.4%; (iv) W in an amount in the range from about 1.8 to about 4.5%; (v) Re in an amount in the range from about 1.0 to about 2.6%; (vi) Al in an amount in the range from about 2.4 to about 5.6%; (vii) Ta in an amount in the range from about 2.4 to about 5.9%; (viii) Hf in an amount in the range from about 0.4% to about 6.0%; (ix) C in an amount up to about 0.1%; (x) B in an amount in the range from 0.2 to about 2.2%; (xi) Zr in the range from to about 0.02%; (xii) Fe in an amount in the range from about 0.07 to about 0.2%; and (xiii) Mn in an amount in the range from about 0.03 to about 0.1% wherein all percentages are by weight based on the total weight of the composition. The composition is particularly suited for braze repair of alloy materials e.g. superalloys in particular single crystal or directionally solidified alloys such as those used in the manufacture of turbine engines of aircraft etc. |
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