An Experimental and Statistical Analysis on Dry Sliding Wear Failure Behavior of Incoloy 825 at Elevated Temperatures

Çavdar, Faruk; Günen, Ali; Kanca, Erdoğan; Er, Yusuf; Gök, Mustafa Sabri; Campos-Silva, I.; Olivares-Luna, Mauricio

doi:10.1007/s11665-022-07381-4

Cited by 10 publications

(1 citation statement)

References 41 publications

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“…The central composite design (CCD) approach was used for model development in RSM to analyze the interaction effect on microhardness and toughness of the borided specimen for multivariable (time and temperature) conditions. The goal of applying CCD to the variables used in the present investigation is that the 2 nd order model can be developed efficiently [26]. The extra central and axial points in CCD systems allow for the estimation of control parameters in a second-order model.…”

Section: Response Surface Methodologymentioning

confidence: 99%

Optimization of boriding process on AISI 1015 steel using response surface methodology

2023

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The goal of this study is to increase the impact toughness of the borided steel without much compromising the surface microhardness. An optimization technique known as Response Surface Methodology was employed to achieve the goal of this work. The pack borided specimens at optimized conditions were analyzed in terms of microstructure, microhardness, XRD, and Impact toughness and compared with borided specimens treated for 950°C for 180minutes. The poly-phase iron borides zone, transition zone, and base metal were all evident. In the iron borides zone, the microhardness was 1745HV, then 345HV in the transition zone, and lastly 245HV in the matrix area. The XRD technique was used to identify the growth of Fe 2 B and FeB phases. The impact toughness was 44.182 J when the specimens treated at optimized conditions.

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Section: Response Surface Methodologymentioning

confidence: 99%

Optimization of boriding process on AISI 1015 steel using response surface methodology

2023

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Abrasive Wear Behavior of Nano-Sized Steel Scale on Soft CuZn35Ni2 Material

Demirsöz

Uğur

Erdogdu

et al. 2022

J. of Materi Eng and Perform

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This study examines the abrasive wear behavior of nano-sized steel scale on the CuZn35Ni2 Soft material. CuZn35Ni2 Soft material was used as a sample, and the three-body wear mechanism formed by nanoscale particles mixed with lubricating oil was investigated using a ball-on-flat tester. Three different loads, three different sliding speeds and three different environment variables were used in the experiments. A lubricant containing 0.15 and 0.3 wt.% nanoscale and a non-abrasive lubricant was used to form the medium. The experimental results were obtained as mass loss, wear depth and friction coefficient and the wear surfaces were examined using scanning electron microscopy/energy-dispersive x-ray spectroscopy (SEM/EDX). The analysis of variance method was used to determine the effect of independent variables on the results. As a result of the study, it was concluded that the most effective parameter for mass loss and CoF was the environment, and the most effective parameter for the depth of wear was the load. It was concluded that there might be a difference of up to 10% in the coefficient of friction between the experiments and the predicted values. Still, in general, the predicted values and the experimental results agree.

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