Disclosed is a Ni-based sintered alloy used for preparing a high temperature part utilized under a high temperature gas atmosphere, characterized in that the Ni-based sintered alloy is prepared by mixing and heating two kinds of Ni alloy powders differing from each other in the melting point....http://www.google.de/patents/US6884275?utm_source=gb-gplus-sharePatent US6884275 - Ni-based sintered alloy
