Determination the wear rate by using XRF technique for Kovar alloy under lubricated

Abstract

Kovar alloy was machined and prepared as half bushes with diameter 1.6cm and length of 1.5 cm. Many specimens were prepared and subjected to wear testing system under lubricated condition. The tests were carried out under different condition such as sliding speed of 750rpm and fixed lubricant type and under variable conditions such as sliding time and normal loads. Weight loss and wear rate were determined for all samples and under different conditions. Kovar debris suspended in oil lubricant and placed in special container and subjected to X-Ray Fluorescence system to determine the quantitative and qualitative analysis.

Image Processing Evaluation of LSP Effect on the Corrosion Rate for the 304 Alloy

“…Wet and dry corrosions are the two kinds of corrosion processes classified according to the nature of corrosive surroundings [3,4]. Alloying, coating, anodic protection, cathodic protection, and recently employing the laser for this aim via surface treating of metal are viewed as techniques to improve the qualities of metals, such as roughness, hardness, corrosion resistance, and so on [5,6]. The process of inhibition of corrosion is essential to reduce the losses caused by corrosion [7,8].…”

X-Ray Fluorescence of Copper, Nickle and Zinc Nanoparticles in Motor Oil Prepared by Laser Treatment

“…The first technique called wavelength dispersive X-ray analysis (WDX) while the second called energy dispersive X-ray analysis (EDX). Of the two, EDX is much more compact, while WDX offers the best spectral resolution [23,24]. For WDX the radiation emitted by the sample is diffracted by the lattice planes of known d-spacing in a single crystal according to Braggs law [25][26][27].…”

Evaluation of Zirconia Nanofiller and Brass Alloy Assembly by X-Ray Radiography

“…Lap joints between ceramic (zirconia) and brass alloy have become very important in the production of electronic components and other high-tech products [1,2]. The association of ceramics with the metal is the result of chemical and physical reactions in very thin interfaces, and most ceramics are made to binding at a high temperature, where the chemical reaction is expected to happen [3,4,5]. One of the sources of pressure in the ceramic-to-metal joint is the variation of the thermal expansion of the materials.…”