Optimization of wear parameters of Mg-(5.6Ti+3Al)-2.5B4C composite

2019 ◽  
Vol 72 (4) ◽  
pp. 503-508 ◽  
Author(s):  
Sathish S. ◽  
Anandakrishnan V. ◽  
Gupta Manoj
Keyword(s):  
Peer Review ◽  
Wear Mechanisms ◽  
Scientific Evidence ◽  
Wear Test ◽  
Dry Sliding Wear ◽  
Metal Composite ◽  
Wear Performance ◽  
Content Type ◽  
Mechanical And Tribological Properties ◽  
Metal Metal

Purpose The purpose of this study is to analyse and optimize the wear parameters of magnesium metal-metal composite. Materials with lesser weight attract both the researcher and industrialists, as it exhibits the performance improvement in the automotive and aerospace industries. The enrichment of mechanical and tribological properties of the existing magnesium focussed the development of new metal–metal composite. Design/methodology/approach Metal–metal composite with magnesium matrix was synthesized through the disintegrated melt deposition technique with the addition of titanium, aluminium and boron carbide particles. The wear performance of the composite was experimented with the dry sliding wear test by considering load, sliding velocity and sliding distance. Findings The wear rate of the composite is analysed statistically, and the significance of wear parameters on the wear performance of metal–metal composite is observed. The worn pin surface and the wear debris collected during the wear experiments were exposed to the microscopy analysis to seize the dominating wear mechanisms. Originality/value The wear performance of the developed magnesium composite was analysed and discussed in detail with the support of scientific evidence, i.e. worn surface and debris analysis express the wear mechanisms. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-08-2019-0326/

Dry sliding wear behavior of Inconel 718 additively manufactured by DMLS technique

2020 ◽  
Vol 72 (4) ◽  
pp. 491-496
Author(s):  
Anandakrishnan V. ◽  
Sathish S. ◽  
Duraiselvam Muthukannan ◽  
Dillibabu V. ◽  
Balamuralikrishnan N.
Keyword(s):  
Additive Manufacturing ◽  
Peer Review ◽  
Wear Mechanisms ◽  
Inconel 718 ◽  
Elevated Temperatures ◽  
Wear Behavior ◽  
Wear Behaviour ◽  
Dry Sliding Wear ◽  
Content Type ◽  
Pin On Disc

Purpose Aerospace and defence industries use the materials having better properties at elevated temperatures, and Inconel 718 is one of that. The complexity in realizing complex and intricate shapes necessitate the product realization through additive manufacturing. This paper aims to investigate the wear behaviour of additive manufactured material. Design/methodology/approach The wear behaviour of additively manufactured Inconel 718 samples through direct metal laser sintering process at three different build orientations was experimentally investigated using a standard pin-on-disc wear tester. Findings Among the varied wear parameters, the load was identified as the most influencing parameter on the wear rate. In addition, the post-failure analysis of the worn surface of the pins under the scanning electron microscopy revealed the presence of various wear mechanisms. Originality/value Almost, the industries are now focussed on their production through additive manufacturing owing to its advantages. The present work displays the wear behaviour of the additive manufactured Inconel 718 and its associated wear mechanisms. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-08-2019-0322.

Mechanical and tribological properties of waste iron scale reinforced polypropylene composite

2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Azmi Erdogan ◽  
Mustafa Sabri Gök ◽  
Bilal Kurşuncu ◽  
Tayfun Kiraz ◽  
Bilal Demirel
Keyword(s):  
Tensile Strength ◽  
Peer Review ◽  
Sliding Wear ◽  
Steel Production ◽  
Dry Sliding Wear ◽  
Dry Sliding ◽  
Content Type ◽  
Mechanical And Tribological Properties ◽  
Hardness Tester ◽  
Iron Scale

Purpose In this study, waste iron scale, which occurs in high amounts during steel production and contains high amounts of iron element, was used as a reinforcing material in the polypropylene (PP) matrix. Design/methodology/approach In the PP matrix, 33 micron-sized iron scale was added at 5%, 10%, 15% and 20% ratios. The composites were subjected to mechanical and dry sliding wear tests. The wear mechanisms occurring on the wear surfaces were determined by SEM supported by EDS. Tensile testing was performed using a tensile tester. Hardness tests were performed using a Shore-D hardness tester with ASTM-D-22 standards. Findings Composite reinforced with 5% iron scale showed the highest tensile strength. The addition of higher amounts of iron scale particles reduced the tensile strength of the composites compared to PP. Hardness increased from 58 to 64 Shore-D with the increase in scale content. The reinforcement of PP with iron scale increased the dry sliding wear resistance. Originality/value According to the authors’ knowledge, in the literature review, there was no study found on the effect of iron scale reinforcement on PP. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-08-2020-0316/

The effect of cryogenic treatment on dry sliding wear mechanisms in hard coatings

2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Bilal Kurşuncu
Keyword(s):  
Heat Treatment ◽  
Wear Resistance ◽  
Wear Mechanisms ◽  
Sliding Wear ◽  
Wear Test ◽  
Hard Coatings ◽  
Wear Behaviour ◽  
Dry Sliding Wear ◽  
Content Type ◽  
Cryogenic Heat Treatment

Purpose The effect of cryogenic heat treatment on the mechanical properties of different materials has been frequently investigated by researchers in recent years. The purpose of this paper is to investigate wear behaviour of monolayer, multilayer and nanocomposite coatings after cryogenic heat treatment. It is a first in its field in terms of both the heat treatment used and the coatings examined. Design/methodology/approach The aCN/TiAlN, TiAlN and ncTiAlSiN hard coatings deposited on the AISI D2 steel substrate were subjected to cryogenic heat treatment at −145oC and −196oC for 24 h and then tempered at 200oC for 2 h. Then, the samples were subjected to wear tests of 5, 10 and 15 N three different load values. The wear mechanisms occurring on the wear surfaces were determined by scanning electron microscope supported by EDS. Findings Oxidation, fatigue and delamination wear mechanisms were realized on the surfaces of the samples subjected to dry sliding wear test. The wear resistance of S1 increased with cryogenic heat treatment. According to the wear test results of the untreated samples, it was found that the samples with lower hardness than the others had higher wear resistance. The wear resistance of S1 and S2 samples was increased by cryogenic heat treatment. The best wear resistance in all parameters was obtained by S1. Oxidation in the S1 was found to have a positive effect on wear resistance. According to EDS results after wear of S2, chromium-rich layer was found on the surface of the material. It is understood that cryogenic heat treatment causes carbide precipitation in the inner structure of the substrate material. Originality/value The effect of cryogenic heat treatment on the mechanical properties of different materials has been frequently investigated by researchers in recent years. In this study, wear behaviour of monolayer, multilayer and nanocomposite coatings after cryogenic heat treatment was investigated. It is a first in its field in terms of both the heat treatment used and the coatings examined. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-03-2020-0111/

Dry Sliding Wear Behavior of Hot Pressed Fe-28Al and Fe-28Al-10Ti Alloys

2011 ◽  
Vol 306-307 ◽  
pp. 425-428
Author(s):  
Jing Li ◽  
Xiao Hong Fan ◽  
De Ming Sun
Keyword(s):  
Plastic Deformation ◽  
Sliding Wear ◽  
Wear Behavior ◽  
Wear Test ◽  
Dry Sliding Wear ◽  
Dry Sliding ◽  
Long Distance ◽  
Wear Performance ◽  
Testing Conditions ◽  
Worn Surface

Fe-28Al and Fe-28Al-10Ti alloys were prepared by mechanical alloying and hot pressing. The phases and dry sliding wear behavior were studied. The results show that Fe-28Al bulk materials are mainly characterized by the low ordered B2 Fe3Al structure with some dispersed Al2O3 particles. Fe-28Al-10Ti exhibits more excellent wear resistance than Fe-28Al, especially after long distance sliding wear test. There are obvious differences in wear mechanisms of Fe-28Al and Fe-28Al-10Ti alloys under different testing conditions. Under the load of 100N, there is plastic deformation on the worn surface of Fe-28Al. The main wear performance of Fe-28Al-10Ti is particle abrasion, the characteristics of which are micro cutting and micro furrows, but micro-crack and layer splitting begin to form on the surface of Fe-28Al. Under the load of 200N, serious plastic deformation and work-hardening lead to rapid crack propagation and eventually the fatigue fracture of Fe-28Al. Plastic deformation is the main wear mechanism of Fe-28Al-10Ti under the load of 200N, which are characterized by micro-crack and small splitting from the worn surface.

ANALYSIS OF WEAR BEHAVIOR OF A NOVEL MAGNESIUM METAL–METAL COMPOSITE

2020 ◽  
Vol 27 (10) ◽  
pp. 1950228
Author(s):  
S. SATHISH ◽  
V. ANANDAKRISHNAN ◽  
MANOJ GUPTA
Keyword(s):  
Wear Behavior ◽  
Weight Ratio ◽  
High Strength ◽  
Dry Sliding Wear ◽  
Metal Composite ◽  
Magnesium Metal ◽  
Pareto Analysis ◽  
Metal Metal ◽  
Pin On Disc ◽  
Melt Deposition

The need of engineered materials with high strength to weight ratio was instrumental for the development of a novel magnesium metal–metal composite with the addition of titanium (reinforcement) and aluminum (alloying element) through disintegrated melt deposition technique. The X-ray diffraction analysis and scanning electron microscopy analysis used to explore the metallurgical insights of the developed magnesium metal–metal composite. Wear tests were carried out with pin-on-disc equipment by varying the input parameters load and sliding velocity over a sliding distance of 2000[Formula: see text]m. Wear was obtained as the output from the experiments, and the same was analyzed through Pareto analysis of variance, to identify the significant parameters. Also, a fuzzy logic-based model was developed to predict the wear behavior of the metal–metal composite. The wear mechanisms involved in the dry sliding wear behavior were analyzed through worn surface analysis and wear debris analysis.

Fretting wear behavior of WS2/ultra-high molecular weight polyethylene nanocomposites

2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Xiaocui Xin ◽  
Yunxia Wang ◽  
Zhaojie Meng ◽  
Hao Liu ◽  
Yunfeng Yan ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Friction Coefficient ◽  
Wear Rate ◽  
Peer Review ◽  
High Molecular Weight ◽  
Fretting Wear ◽  
Specific Wear Rate ◽  
Wear Performance ◽  
Content Type ◽  
Ultra High Molecular Weight

Purpose This paper aims to focus on studying the addition of nano-tungsten disulfide (WS2) on fretting wear performance of ultra-high-molecular-weight-polyethylene (UHMWPE). Design/methodology/approach In this study, the effect of WS2 content on fretting wear performance of UHMWPE was investigated. The fretting wear performance of the UHMWPE and WS2/UHMWPE nanocomposites were evaluated on oscillating reciprocating friction and wear tester. The data of the friction coefficient and the specific wear rate were obtained. The worn surfaces of composites were observed. The transfer film and its component were analyzed. Findings With the addition of 0.5% WS2, the friction coefficient and specific wear rate increased. With the content increased to 1% and 1.5%, the friction coefficient and specific wear rate decreased. The lowest friction coefficient and specific wear rate were obtained with the addition of 1.5% nano-WS2. Continuingly increasing content, the friction coefficient and wear rate increased but lower than that of pure UHMWPE. Research limitations/implications The research indicated the fretting wear performance related to the content of nano-WS2 with the incorporation of WS2 into UHMWPE. Practical implications The result may help to choose the appropriate content. Originality/value The main originality of the research is to reveal the fretting behavior of UHMWPE and WS2/UHMWPE nanocomposites. It makes us realize the nano-WS2 had an effect on the fretting wear performance of UHMWPE. Peer review The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-04-2020-0151/

Wear performance of Al-TiC composite at elevated temperature

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Eshan Agrawal ◽  
Vinod Tungikar
Keyword(s):  
Elevated Temperature ◽  
Wear Rate ◽  
Coefficient Of Friction ◽  
Elevated Temperatures ◽  
Centrifugal Casting ◽  
Wear Test ◽  
Heating Chamber ◽  
Wear Performance ◽  
Content Type ◽  
Pin On Disc

Purpose Aluminium matrix composites are subjected to wear as well as higher temperature applications such as pistons, cylinder heads and blocks for car engines. Therefore, it is important to evaluate the performance of aluminium metal matrix composite at elevated temperature. Design/methodology/approach In the present work wear performance of Al-TiC composite with 7.5% reinforcement of TiC powder is carried out at elevated temperature. The composite specimens are prepared with the help of centrifugal casting method to get the large segregation of reinforcement on the outer layer of the composite which is subjected to wear. Taguchi method is used for preparing design of experiments. Findings The wear test is performed on DUCOM pin on disc setup having the heating chamber facility. The results of wear test are analysed with the help of MINITAB 19 software. The results show that temperature has dominant effect on the wear rate. The mathematical model through regression is predicted for wear rate and coefficient of friction. The study of worn-out surface is performed with the help of scanning electron microscope. The micrographs show that the type of wear is changes from abrasive to severe wear and some delamination. Originality/value The experiments are conducted as per ASTM standards. The results give the mathematical equation for wear rate and coefficient of friction at elevated temperatures.

Investigation of carbon–carbon composite brake pads in wet and dry sliding wear conditions

2014 ◽  
Vol 66 (6) ◽  
pp. 645-652 ◽  
Author(s):  
Ugur Ozsarac ◽  
Salim Aslanlar ◽  
Faruk Varol ◽  
Mehmet Ekici
Keyword(s):  
Sliding Friction ◽  
Wear Test ◽  
Absorption Capacity ◽  
Rain Water ◽  
Wear Testing ◽  
Dry Sliding Wear ◽  
Dry Sliding ◽  
Content Type ◽  
Brake Pads ◽  
Pin On Disc

Purpose – The purpose of this study was to investigate wear behaviours of brake pads produced from carbon–carbon (C/C) composites in both wet and dry friction sliding conditions. Carbon is probably the most remarkable element in science and also C/C composites are a family of advanced composite materials. They are the most advanced form of carbon and consist of fibre based on carbon precursors embedded in a carbon matrix. In the present work, wear test specimens were prepared according to the related standards and they were exposed to pin-on-disc wear testing in wet and dry sliding conditions with different loads as 10, 20, 30 and 40 N with 1 m/s constant sliding speed. Wet friction process was conducted on all specimens by means of rain water collected from the nature. Design/methodology/approach – Pin-on-disc wear test tribology lubrication was used. Findings – Mechanical and physical property measurements of C/C composite brake pad materials: hardness, modulus of elasticity, density and water absorption capacity. Wear performance of materials were measured as coefficient of friction, volumetric loss and specific wear rate. Originality/value – C/C composite brake pads are used in railway vehicles. Wear performances of them are very important for safety. In this study, wear behaviours of these materials were investigated not only in dry sliding friction condition but also in wet sliding one. Because safety braking is important in all weather conditions for trains, and we used natural rain water to observe the wet sliding friction behaviour of brake pads. “Water lubrication” is an important aspect mentioned in tribology handbooks.

Optimization of dry sliding wear conditions for AlSi10Mg/SiCp composites using response surface: genetic algorithm approach

2014 ◽  
Vol 66 (5) ◽  
pp. 593-600 ◽  
Author(s):  
K. Somasundara Vinoth ◽  
R. Subramanian ◽  
S. Dharmalingam ◽  
B. Anandavel
Keyword(s):  
Genetic Algorithm ◽  
Response Surface ◽  
Wear Mechanisms ◽  
Applied Load ◽  
Dry Sliding Wear ◽  
Tribological Behaviour ◽  
Sliding Speed ◽  
Content Type ◽  
Optimum Parameters ◽  
Silicon Carbide Particles

Purpose – The purpose of this research paper is to find the optimum parameters, namely, the sliding speed, applied load and percentage of silicon carbide particles (SiCp), under which AlSi10Mg/SiCp composites experience minimum wear. Design/methodology/approach – Wear rate (WR) of AlSi10Mg, AlSi10Mg/10SiC and AlSi10Mg/20SiC was measured using pin-on-disk equipment according to ASTM G99 standards. Response surface method was used to design the experiments, model and analyze the tribological behaviour. Tests were conducted as per Box–Beheken design of experiments. The wear mechanisms were observed using scanning electron microscope. Genetic algorithm was used to find the optimum parameters for minimum WR. Findings – Wear mechanisms underwent changes with variation in applied load, sliding speed and per cent SiCp. An optimum wear condition was obtained when the process parameters, namely, the sliding speed, applied load and percentage of SiCp, were at 4 m/s, 10 N and 20 per cent, respectively. Combined GA-RSM approach was successfully used to predict the minimum WR condition of AlSi10Mg/SiCp composites with an accuracy of 94 per cent. Originality/value – The tribological behaviour of AlSi10Mg/SiCp composites has been investigated in detail. A statistical WR model is proposed. This paper provides an optimum condition to design the tribo contact between steel and AlSi10Mg/SiCp composites.

Effects of fly ash content on the friction-wear performance of bronze-based brake lining materials produced by the hot-pressing method

2015 ◽  
Vol 67 (6) ◽  
pp. 612-621 ◽  
Author(s):  
Hüsamettin Kus ◽  
Duran Altiparmak
Keyword(s):  
Fly Ash ◽  
Hot Pressing ◽  
Wear Test ◽  
Ash Content ◽  
Wear Properties ◽  
Wear Performance ◽  
Pressing Method ◽  
Content Type ◽  
Lining Material ◽  
Brake Lining

Purpose – The purpose of this paper is to investigate the effect of fly ash content on the friction–wear performance of bronze-based brake lining material. Design/methodology/approach – In this study, bronze-based brake linings containing 0-12 weight per cent fly ash were produced by the hot-pressing process. The friction-wear properties of the unreinforced bronze matrix brake lining material and fly ash reinforced samples were investigated using a Chase-type friction tester. The hardness and density of the samples were also determined. The microstructures and friction surfaces of the samples were examined using scanning electron microscopy. Findings – The experimental results showed that the fly ash content significantly affects the friction-wear properties of the brake lining material. It was found that the friction coefficient increases with the increase in the fly ash content for the brake lining materials studied. Moreover, the mass losses in the wear test were lower for the brake linings containing over 4 weight per cent fly ash than unreinforced bronze-based lining material. Originality/value – This study has proven to be useful in exploring fly ash particles as low cost reinforcing materials in improving the friction–wear performance of bronze-based brake lining material. In addition, the use of fly ash particles in the manufacture of brake lining materials contributes to reducing the production cost of brake linings and to a sustainable environment.

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