In this paper,the laser synthesis technique of the ceramics has been employed to synthesize a novel WO3/Fe2O3 catalyst for metathesis of define under nonequilibrium condition.
用大功率ＣＯ_２激光合成出ＷＯ_３／Ｆｅ_２Ｏ_３新型烯烃歧化反应陶瓷催化剂分析。
In this paper, Ni30A120Fe high temperature oxidation-resistant intermetallic coating by laser synthesis and fabrication was investigated.
本工作对激光合成和制备金属间化合物抗高温氧化涂层进行了研究,采用Ni包Al粉末,通过基体稀释过渡Fe,基于低激光功率、慢扫描速度和大束斑尺寸的工艺原则,直接合成了Ni30Al20Fe金属间化合物,并且制备出无裂纹和气孔、完全致密、与基体形成冶金结合的涂层,其组织是Fe固溶强化的细小的β-NiAl-Fe金属间化合物基体加弥散的粒状和薄带状γ-Fe-Ni奥氏体析出相,固溶强化和细晶强化使涂层强度和韧性得到改善。
42 composite coating is fabricated on the substrate of 1Cr18-Ni9Ti carbon steel by laser cladding using Ni-Cr-Al-Co-X(X=Mo、W、Nb、Ti、C)+12%TiC power blends.
在不锈钢基材上通过激光合成Ni-Cr-Al-Co-X(X=Mo、W、Nb、Ti、C)+12%TiC粉末制备出组织均匀且与基体间完全冶金结合的无缺陷的涂层,其中组织主要为金属间化合物Ni3Al-Ni0。
A novel rapidly solidified TiC/Ni-AI composite coating was fabricated on the substrate of 1Cr18Ni9Ti steel by laser cladding using Ni-Cr-Al-Co-Mo-W-Nb - Ti - C + TiC power blends.
在不锈钢基材上通过激光合成Ni-Cr-Al-Co-X(X=Mo、W、Nb、Ti、C)+TiC粉末,制备出金属间化合物Ni3Al-Ni0。