ساخت نانوپودر كامپوزيتي W-Cu از طريق روش شيميايي و نقش پديده CVT در رفتار نفوذي آن

Fabrication of W~Cu INanocaomposite Powder via a Chemical Method

A new approach of fabricating the W-Cu nanocomposite based on chemical foundations was addressed and used to to prepare W-25 wt% Cu nanocomposite powder. Complementary stages of calcination and hydrogen reduction were then performed to reach in the metal powder. Considerable homogeneity and good distribution were gained. The high temperature of reduction process did not change the microstructure drastically and even a lot. This behavior was analyzed utilizing the CVT mechanism, a three stage chemical gas transferring diffusional procedure under the light of which theses observations could be interpreted. The final nanoscaled composite powder has the natural potential to be consolidated under sintering and fabrication of industrial parts.