6 天之前 · AlCrN and AlCrSiN coatings were deposited via reactive magnetron sputtering. This study investigates the effects of radio frequency (RF) substrate bias, ranging from 0 V to 200 V, on the chemical composition, microstructure, and mechanical properties of the coatings. ... Figure 3a,b present the XRD patterns of the AlCrN and AlCrSiN coatings ...

2023年7月10日 · Three types of nanocoatings—TiAlSiN monolayer, AlCrN monolayer, and TiAlSiN/AlCrN multilayer—were prepared, and the microstructure, mechanical properties, oxidation resistance, diffusion properties with titanium alloy, and cutting performance of the coatings were investigated utilizing SEM, TEM, XRD, TGA, GD-OES, nanoindentation, and ...

2020年8月15日 · The phase and chemical composition of the coatings, roughness, hardness, adhesion and thermal stability were analyzed by X-ray diffraction (XRD), scanning electron microscope (SEM), Energy-dispersive X-ray spectroscopy (EDX), micro-indenter, Rockwell, scratch tester and thermomechanical methods.

2022年3月15日 · The X-ray diffraction (XRD, PANalytical, X'pert PRO, Cu Kα radiation, λ = 0.154 nm, United States) was used to characterize the phase structure of the coatings. The hardness and elastic modulus of the coatings on cemented carbide substrates were measured by nanoindentation (Hysitron, TI950 TriboIndenter, United States).

2020年3月1日 · A surface analysis was performed on an aluminum chromium nitride (AlCrN) coating formed on a tungsten carbide (WC) substrate subjected to short-term (in minutes) oxidation at an elevated temperature (900 °C) using focused ion beam (FIB), X-ray photoelectron spectroscopy (XPS), grazing incidence X-ray diffraction (GI-XRD), and laser-induced ...

2019年2月14日 · In Fig. 3, the XRD diffraction patterns of AlCrN coatings formed at various nitrogen pressures are shown. The diffraction lines from the hexagonal AlN (h-AlN) phase (ICDD 25-1133) and the cubic CrN (c-CrN) phase (ICDD 11-0065) have been observed.

In this paper, five AlCrN coatings were prepared by the hybrid technology under bias voltages from −40 V to −200 V. XRD, SEM, TEM and nano-indenter etc. were used to study the microstructure...

2021年10月13日 · 采用不同后处理方法(如离子刻蚀、湿喷砂、干喷砂和微粒子喷丸)对电弧镀 alcrn 涂层表面进行处理，利用xRd、sem、om、摩擦磨损以及切削试验分析不同后处理方式对涂层组织结构、表面形貌、表面粗糙度、摩擦磨损以及切削性能的影响。

电弧离子镀制备的 AlCrN 涂层表面存在大量的“大颗粒”,导致其具有较高的表面粗糙度,进而降低了涂层的摩擦磨损和切削性能。 采用不同后处理方法 (如离子刻蚀、湿喷砂、干喷砂和微粒子喷丸) 对电弧镀 AlCrN 涂层表面进行处理,利用 XRD、SEM、OM、摩擦磨损以及切削试验分析不同后处理方式对涂层组织结构、表面形貌、表面粗糙度、摩擦磨损以及切削性能的影响。 结果显示:不同后处理方法均可有效清除 AlCrN 涂层表面颗粒,其中湿喷砂、微粒子喷丸和干喷砂对涂层表面颗 …

2024年10月15日 · The XRD data (Fig. 4) reveals that the AlCrN coating consists solely of a uniform face-centered cubic (fcc) solid solution. Conversely, the XPS analysis of the AlCrN/AlCrBN reveals the presence of B-containing compounds, namely BN and CrB.