Optimization of wear and friction parameters in Aluminum7075 hybrid composite

2021 ◽  
Author(s):  
R. Viswanathan ◽  
K.G. Saravanan ◽  
J. Balaji ◽  
R. Prabu ◽  
K. Balasubramani
Keyword(s):  
Hybrid Composite ◽  
Wear And Friction ◽  
Friction Parameters

Tribotechnical characteristics of hard alloys in sliding friction units

2020 ◽  
pp. 87-97
Author(s):  
K. D. Khromushkin ◽  
B. G. Ushakov ◽  
A. V. Kochergin ◽  
R. A. Suleev ◽  
O. N. Parmenova
Keyword(s):  
Experimental Data ◽  
Sliding Friction ◽  
Heating Temperature ◽  
Hard Alloys ◽  
Friction Units ◽  
Wear And Friction ◽  
Friction Path ◽  
Friction Parameters ◽  
Tribotechnical Characteristics ◽  
Temperature Surface

The paper presents experimental data on the study of the friction parameters of hard alloys in sliding friction units, including the heating temperature, surface roughness, wear and friction coefficient, depending on the duration of the test and the friction path.

Optimization of Wear and Friction Parameters of (LM24/B4C) Composite Using Taguchi Technique

2019 ◽  
Vol 18 ◽  
pp. 3702-3710
Author(s):  
Ashish Kumar ◽  
Rishabh Kumar ◽  
V.K.Soni ◽  
R.S. Rana ◽  
Rajesh Purohit ◽  
...  
Keyword(s):  
Taguchi Technique ◽  
Wear And Friction ◽  
Friction Parameters

Experimental Analysis of Tribological Properties of Simarouba Glauca Biodiesel With Nanoparticles

2021 ◽  
pp. 1388-1402
Author(s):  
Eknath Nivrutti Aitavade ◽  
S. C. Kamate
Keyword(s):  
Silicon Dioxide ◽  
Tribological Properties ◽  
Sio2 Nanoparticles ◽  
Cuo Nanoparticles ◽  
Base Oil ◽  
Wear And Friction ◽  
The Coefficient Of Friction ◽  
Simarouba Glauca ◽  
Friction Parameters ◽  
Friction And Wear Characteristics

Biolubricants are renewable, biodegradable, nontoxic, and have zero greenhouse gases. In this work, the tribological properties of the Simarouba glauca biodiesel (SBD) are studied with nanoparticles as additives. Nanoparticles of copper oxide (CuO) and silicon dioxide (SiO2) were added with 0.2, 0.5, 0.75, and 1% weight (wt) in the base SBD. The coefficient of friction (COF) and the wear scar diameters (WSD) were evaluated using four ball tester for the test conditions as per ASTM D 4172 standard. The morphologies of the worn surfaces were inspected by scanning electron microscope (SEM). The addition of nanoparticles improved the friction and wear characteristics of SBD. A combination of abrasive and adhesive wear was evident. The average COF for pure SBD was 0.0168. The results indicated that 0.75% and 0.2% of CuO nanoparticles as a beneficial percentage in the base oil exhibiting the lowest COF and WSD. CuO nanoparticles proved to be superior to SiO2 nanoparticles as additives in SBD, demonstrating 8% and 60% decrease in wear and friction parameters, respectively.

Experimental Analysis of Tribological Properties of Simarouba Glauca Biodiesel With Nanoparticles

2020 ◽  
Vol 8 (2) ◽  
pp. 52-65
Author(s):  
Eknath Nivrutti Aitavade ◽  
S. C. Kamate
Keyword(s):  
Tribological Properties ◽  
Friction And Wear ◽  
Sio2 Nanoparticles ◽  
Cuo Nanoparticles ◽  
Base Oil ◽  
Wear And Friction ◽  
The Coefficient Of Friction ◽  
Simarouba Glauca ◽  
Friction Parameters ◽  
Friction And Wear Characteristics

Biolubricants are renewable, biodegradable, nontoxic, and have zero greenhouse gases. In this work, the tribological properties of the Simarouba glauca biodiesel (SBD) are studied with nanoparticles as additives. Nanoparticles of copper oxide (CuO) and silicon dioxide (SiO2) were added with 0.2, 0.5, 0.75, and 1% weight (wt) in the base SBD. The coefficient of friction (COF) and the wear scar diameters (WSD) were evaluated using four ball tester for the test conditions as per ASTM D 4172 standard. The morphologies of the worn surfaces were inspected by scanning electron microscope (SEM). The addition of nanoparticles improved the friction and wear characteristics of SBD. A combination of abrasive and adhesive wear was evident. The average COF for pure SBD was 0.0168. The results indicated that 0.75% and 0.2% of CuO nanoparticles as a beneficial percentage in the base oil exhibiting the lowest COF and WSD. CuO nanoparticles proved to be superior to SiO2 nanoparticles as additives in SBD, demonstrating 8% and 60% decrease in wear and friction parameters, respectively.

EVALUATION OF NATURAL HYBRID COMPOSITE THROUGH NONDESTRUCTIVE TESTS

2017 ◽  
Author(s):  
Rosemere de Araujo Alves Lima ◽  
DANIEL KIOSHI CAVALCANTI ◽  
Hector Costa ◽  
Ricardo Alexandre Amar de Aguiar ◽  
DOINA BANEA ◽  
...  
Keyword(s):  
Hybrid Composite ◽  
Natural Hybrid ◽  
Nondestructive Tests

Laser Therapy Evaluation in Complications of Restorations by Total-Etch Technique

2018 ◽  
Vol 69 (4) ◽  
pp. 921-925
Author(s):  
Cristina Angela Ghiorghe ◽  
Andra Claudia Gamen ◽  
Tiberiu Tirca ◽  
Sorin Andrian ◽  
Anca Melian ◽  
...  
Keyword(s):  
Laser Treatment ◽  
Laser Therapy ◽  
Hybrid Composite ◽  
Study Groups ◽  
Composite Resins ◽  
Single Bond ◽  
Class Iii ◽  
Anterior Teeth ◽  
Carious Lesions ◽  
Etch And Rinse

The aim of this study was to evaluate the efficiency of laser therapy in post-operative sensitivity by Visual Analogue Scale (VAS) to the 57 patients after restoration with two different resins composite. In the first group (28 patients, 30 teeth) it was restored the cavity class I Black with micro-hybrid composite Filtek Z250 - Adper Single Bond (3M/ESPE). In the second group (29 patients, 30 teeth) it was restored the cavity class III Black with nano-hybrid composite Ceram X One Sphere Tec-Prime and Bond One (Etch&Rinse) (Dentsply). The restorative treatments were performed by the same practitioner on posterior and anterior teeth diagnosed with mid-sized chronic carious lesions. Total etch (etch and rinse) strategy of adhesion was used for both composite resins. The laser treatment was performed in 2 sessions at 48 hours and after 7 days, for both study groups using laser Whitening Lase II (DMC Dental). Mean scores for VAS indices decreased significantly at 48 hours and 7 days, following laser treatment for all the investigated parameters (materials, sex, age) (p [ 0.05).

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