Influence of processing time on physical and mechanical properties of composite boards made of recycled multilayer containers and HDPE

2020 ◽  
Vol 22 (6) ◽  
pp. 2020-2028
Author(s):  
Francisco J. Aranda-García ◽  
Maria M. González-Pérez ◽  
Jorge R. Robledo-Ortíz ◽  
César Sedano-de la Rosa ◽  
Karlos Espinoza ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Processing Time ◽  
Physical And Mechanical Properties

scholarly journals ПІДВИЩЕННЯ НАДІЙНОСТІ РОБОЧИХ ОРГАНІВ ҐРУНТООБРОБНИХ МАШИН

2014 ◽  
pp. 172-177
Author(s):  
А. А. Дудніков ◽  
О. І. Біловод ◽  
А. Г. Пасюта
Keyword(s):  
Mechanical Properties ◽  
Process Parameters ◽  
Processing Time ◽  
Physical And Mechanical Properties ◽  
Main Process ◽  
Processing Methods ◽  
Disturbing Force ◽  
Machined Parts ◽  
Working Bodies

У статті розглядаються питання підвищення до-вговічності і надійності робочих органів ґрунтооб-робних машин у процесі їх відновлення (виготовлення)з використанням вібраційних коливань, що сприяютьінтенсифікації методів обробки, підвищенню рівнямеханізації та автоматизації багатьох трудоміст-ких технологій. Показано залежність інтенсивностівібраційного зміцнення від наступних факторів: ре-жиму обробки та фізико-механічних властивостейматеріалу оброблюваних деталей. Встановлено, щоосновними параметрами технологічного процесу віб-раційного зміцнення є збурювальна сила віброзбуджу-вача, амплітуда і частота коливань обробногоінструменту, швидкість і час обробки. The article discusses issues of increasing longevity and reliability of working bodies of tillers in the process of recovery (manufacturing) using vibrations that promote intensification processing methods, increase the level of mechanization and automation of many labor-intensive technologies. The dependence of the intensity of the vibration to strengthen the following factors: the mode of processing, physical and mechanical properties of the material machined parts. Found that the main process parameters of the vibration of hardening is the disturbing force exciter, the amplitude and frequency of oscillation of the machining tool, the speed and processing time.

scholarly journals Preparation of powder coatings on the surface of steel balls by mechanochemical synthesis

2020 ◽  
Vol 100 (4) ◽  
pp. 8-13
Author(s):  
B.K. Rakhadilov ◽  
◽  
D.B. Buitkenov ◽  
Zh.B. Sagdoldina ◽  
L.G. Zhurerova ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Mechanochemical Synthesis ◽  
Processing Time ◽  
Physical And Mechanical Properties ◽  
Source Material ◽  
Optimal Parameters ◽  
Powder Coatings ◽  
Corrosion Properties ◽  
Steel Balls ◽  
The Impact

This work presents the results of the study of tribological and corrosion properties of powder coatings based on VN, TiN, SiC and Cr2N obtained by mechanochemical synthesis on the surface of steel balls ShKh15. The idea of this method is using the impact energy of moving balls to apply coatings on metal surfaces. Based on the conducted research, it was proved using the method of mechanochemical synthesis possible to obtain a coating of VN, TiN, SiC, and Cr2N on the surface of steel balls. The optimal parameters for coating were chosen: amplitude of the oscillation 3.5 mm; frequency of the oscillation 50 Hz; volume of filling of the chamber 50 %, the diameter of the ball 6 mm; ratio mass of the powder to the mass of the balls mp:mb=1:30, processing time by mechanochemical synthesis is 1 hour. It is established that the change in the haracteristics of coatings directly depends on the stiffness and physical and mechanical properties of the source material (substrate) and surface roughness. The results of the tribological study showed that a wear-resistant coating was formed on the surface of the steel balls.

PEMANFAATAN KAYU AKASIA MANGIUM (Acacia mangium Willd) UNTUK MEBEL

2012 ◽  
Vol 4 (1) ◽  
pp. 1
Author(s):  
Djoko Purwanto
Keyword(s):  
Mechanical Properties ◽  
Compressive Strength ◽  
Physical Properties ◽  
Treatment Process ◽  
Acacia Mangium ◽  
Physical And Mechanical Properties ◽  
Wood Fibers ◽  
Test Parameters ◽  
Mechanical And Physical Properties ◽  
Scale Scores

Timber Acacia mangium (Acacia mangium, Willd) for Furniture. The study aims to determine the mechanical and physical properties and the decorative value (color and fiber) wood of acacia mangium with using finishing materials. This type of finishing material used is ultran lasur natural dof ,ultran lasur classic teak, aqua politur clear dof, aqua politur akasia dan aqua politur cherry. After finishing the wood is stored for 3 months. Test parameters were observed, namely, physical and mechanical properties of wood, adhesion of finishing materials, color and appearance of the fiber, and timber dimensions expansion. The results showed that the mechanical physical properties of acacia wood qualified SNI. 01-0608-89 about the physical and mechanical properties of wood for furniture, air dry the moisture content from 13.78 to 14.89%, flexural strength from 509.25 to 680.50 kg/cm2, and compressive strength parallel to fiber 342.1 - 412.9 kg/cm2. Finishing the treatment process using five types of finishing materials can increase the decorative value (color and fiber) wood. Before finishing the process of acacia mangium wood has the appearance of colors and fibers and less attractive (scale scores 2-3), after finishing acacia wood fibers have the appearance of colors and interesting and very interesting (scale 4-5).Keywords: mangium wood, mechanical properties, decorative value, finishing, furniture.

Physical and Mechanical Properties of Tenun Pahang Fabrics using Alternative Yarns

2016 ◽  
Vol 13 (2) ◽  
pp. 67
Author(s):  
Engku Liyana Zafirah Engku Mohd Suhaimi ◽  
Jamil Salleh ◽  
Suzaini Abd Ghani ◽  
Mohamad Faizul Yahya ◽  
Mohd Rozi Ahmad
Keyword(s):  
Mechanical Properties ◽  
Physical And Mechanical Properties ◽  
The Other ◽  
Silk Fabrics ◽  
Recovery Angle ◽  
Made In

An investigation on the properties of Tenun Pahang fabric performances using alternative yarns was conducted. The studies were made in order to evaluate whether the Tenun Pahang fabric could be produced economically and at the same time maintain the fabric quality. Traditional Tenun Pahang fabric uses silk for both warp and weft. For this project, two alternative yarns were used which were bamboo and modal, which were a little lower in cost compared to silk. These yarns were woven with two variations, one with the yarns as weft only while maintaining the silk warp and the other with both warp and weft using the alternative yarns. Four (4) physical testings and three (3) mechanical testings conducted on the fabric samples. The fabric samples were evaluated including weight, thickness, thread density, crease recovery angle, stiffness and drapability. The results show that modal/silk and bamboo silk fabrics are comparable in terms of stiffness and drapability, hence they have the potential to replace 100% silk Tenun Pahang.

Basic set of experiments for determination of mechanical properties of sand

2014 ◽  
Vol 62 (1) ◽  
pp. 129-137
Author(s):  
A. Sawicki ◽  
J. Mierczyński
Keyword(s):  
Mechanical Properties ◽  
Soil Mechanics ◽  
Physical And Mechanical Properties ◽  
Local Strain ◽  
Initial State ◽  
Laboratory Equipment ◽  
Additional Information ◽  
Basic Set ◽  
Initial Anisotropy

Abstract A basic set of experiments for the determination of mechanical properties of sands is described. This includes the determination of basic physical and mechanical properties, as conventionally applied in soil mechanics, as well as some additional experiments, which provide further information on mechanical properties of granular soils. These additional experiments allow for determination of steady state and instability lines, stress-strain relations for isotropic loading and pure shearing, and simple cyclic shearing tests. Unconventional oedometric experiments are also presented. Necessary laboratory equipment is described, which includes a triaxial apparatus equipped with local strain gauges, an oedometer capable of measuring lateral stresses and a simple cyclic shearing apparatus. The above experiments provide additional information on soil’s properties, which is useful in studying the following phenomena: pre-failure deformations of sand including cyclic loading compaction, pore-pressure generation and liquefaction, both static and caused by cyclic loadings, the effect of sand initial anisotropy and various instabilities. An important feature of the experiments described is that they make it possible to determine the initial state of sand, defined as either contractive or dilative. Experimental results for the “Gdynia” model sand are shown.

PREPARATION AND CHARACTERIZATION OF REPROCESSED COMPOSITES OF POLYPROPYLENE REINFORCED BY WOOD FIBERS: PHYSICAL AND MECHANICAL PROPERTIES

2017 ◽  
Author(s):  
Thais Helena Sydenstricker Flores-Sahagun ◽  
Kelly Priscila Agapito ◽  
ROSA MARIA JIMENEZ AMEZCUA ◽  
Felipe Jedyn
Keyword(s):  
Mechanical Properties ◽  
Physical And Mechanical Properties ◽  
Wood Fibers
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