The Aluminized silicon coating on superalloy K438 is prepared by diffusing in high temperature. The oxidation behavior of the coating is investigated at 1000 in air, for 500h by OM, SEM, EDX, and so on and the role of the silicon is also investigated.
英
美
- 本研究采用熱擴散的方法,在K438高溫合金表面制備了Al-Si涂層,經(jīng)1000℃,500h高溫氧化性能試驗,通過(guò)光學(xué)顯微鏡、掃描電鏡、能譜等對試樣表面、截面觀(guān)察分析,討論滲鋁硅涂層的抗高溫氧化性能,并對硅的作用機理進(jìn)行探討。