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Online since: January 2019
Authors: Eleni Pavlidou, Aspasia Karozou, Maria Stefanidou
Low durability and compressive strength are the main factors that led to the development of different strategies of enhancement taking even under consideration the surroundings.
Nanoparticles can alter the properties of materials and improve the pore structure, which in turn affects their durability.
As advanced materials, nanoclays enhance the physical and mechanical properties, can reduce permeability and offer protection against environmental factors, such as chemicals, moisture and gases [34-36].
Apart from the physical properties tested, the mechanical properties of the samples were examined as well.
Mechanical properties of the materials.
Online since: March 2024
Authors: Nasikhudin Nasikhudin, Markus Diantoro, Istiqomah Istiqomah, Herlin Pujiarti, Yusril Al Fath, Hari Rahmadani
However, even though AgNWs have been successfully synthesized using various methods, there are still some shortcomings, especially in terms of deformation, mechanical properties, and low electrical properties.
Outside of the ranges, IR radiation is strongly attenuated due to the roles of H2O and CO2 vapour in both scattering and absorption phenomena [38], [39] It has been reported that AgNWs is one of material that show good infrared light absorption properties and also can affect as treatment to find out more about mechanical, optical, and other properties of AgNWs [40].
It's not surprising to find that environmental factors like humidity and temperature strongly correlated with the UV-induced degradation.
Pei, “Effect of Quenching Processes on Microstructure and Mechanical Properties of a High Strength Steel,” IOP Conf.
Bansal et al., “Influence of quenching strategy on phase transformation and mechanical properties of low alloy steel,” Mater.
Online since: October 2014
Authors: Jozef Maščeník, Slavko Pavlenko
In conclusion, the determination of the possible applications of the technology in practice after changing the properties of the material around the hole.
Distance from basic material Flowdrillových holes and heat-affected zones shows a typical single-phase microstructure of austenitic stainless net polyhedral twin austenite grain boundaries.
Structure change takes place gradually from the edge of the hole to 3mm, and very significantly, up to 8mm from the edge of the hole is still changing properties.
Pasko: Influence of technological factors of die casting on mechanical properties of castings from silumin, 2013.
Baron: Treating Models of the Mechanical, In: Journal CA Systems in Production Planning.
Online since: July 2015
Authors: Rizalman Mamat, Mohd Rozi Mohd Perang, Amir Bin Aziz, Wan Khairuddin Wan Ali
Although the CTPB binder has good mechanical properties, it has problems with aging characteristics [21].
However, HTPB is able to demonstrate good mechanical properties at low temperatures and good aging characteristics [21].
As a result, the propellants produced have poor mechanical properties.
TA of HTPB Mixtures with Some of The Energetic Materials-Determination of Effective Factors.
Solid Propellant Processing Factors in Rocket Motor Design.
Online since: April 2021
Authors: Li Mei Wang, Jun Hai Liu, Jun Bo Liu
Factors affecting toughness of Fe-Cr-C coating include grain size, inclusions and morphology of carbides.
Investigation of Formation Mechanism and Mechanical Properties of the Tungsten Carbide Cemented Layer Produced by A Diffusion-controlled Reaction.
Surface Friction and Wear Properties and Lubrication Mechanism of Textured HA/ZrO2 Coatings.
Some Factors Affecting Spheroidizing of Carbides in Low-Chromium White Cast Iron.
Microstructure and Tensile Properties of TiC/Ti-5Mo-5V-2Cr-3AI Composites Prepared by Melt In-situ Reaction Spray Forming.
Online since: August 2022
Authors: Salmie Suhana Che Abdullah, Gooven Subramaniam, Rohaya Abdul Malek, Nadia Kamaruddin
To a certain extent, their performance in mechanical properties is convincing and was proven comparable with the customary OPC materials.
Despite geological and geographic factors related to the types of the rice, the duration of burning, burning temperature, grinding method, and combustion methods will influence the silica content in RH.
Siddique, “Effect of coal bottom ash as partial replacement of sand on properties of concrete,” Resources, Conservation and Recycling. 2013
Kua, “Application of rice husk biochar and thermally treated low silica rice husk ash to improve physical properties of cement mortar,” Theor.
Majeed, “Effect of calcination temperature and heating rate on the optical properties and reactivity of rice husk ash,” J.
Online since: September 2013
Authors: Xi Bin Wang, Si Qin Pang, Jian Bing Cheng, Qi Xun Yu
Effect of powder pretreatment on the wear of ultrafine cemented carbide cutting inserts Jianbing Cheng1,2,a, Siqin Pang1,b, Xibin Wang1,c, Qixun Yu1,d 1Key Laboratory of Fundmental Science for Advanced Machining, Beijing Institute of Technology, Beijing, 100081, China 2School of Materials and Mechanical Engineering, Beijing Technology and Business University, Beijing, 100048, China achengjb@th.btbu.edu.cn, bpangsq@bit.edu.cn, ccutting0@bit.edu.cn, dyuqx2003@bit.edu.cn Keywords: Ultrafine cemented carbide; Superalloy; High speed cutting; Tool life; Low pressure sintering Abstract.
The sintering process is one of the important factors affecting the microstructure and properties of cemented carbide.
Among the numerous sintering methods of cemented carbide, low-pressure sintering was preferred by researchers and manufacturers due to its good comprehensive properties [6-8].
Before low-pressure sintering, pretreatment of WC/Co mixed powder is one sintering technology of ultrafine cemented carbide, at present, the effect study of powder pretreatment mainly focuses on the microstructure and mechanical properties, but the effect on the wear resistance of cutting inserts was seldom reported.
In general, there are many factors affecting cutting inserts wear, the cutting speed is the most significant factor affecting cutting inserts wear and tool life when the work piece material and cutting insert material as well as insert geometry are selected [10].
Online since: June 2014
Authors: Akihiro Kumegai, Yuji Tanabe, Hiroaki Suzawa
The analyses of dynamic stress intensity factors for wedge loading experiments on modified compact tension specimens, designated WLCT, were then performed by the finite element method.
The causes of SCC have been thought to be composed of the three factors,namely stresses,materials and environments [1, 2].
To this end, the determination of the materials’ properties under high loading rates, the test method of applying high velocity loading to specimens during SCC growth and the theoretical analysis of the dynamic stress state near the crack tip under high loading rates have to be established first.
The chemical composition and static mechanical properties of SUS304 are listed in Tables 1 and 2.
Table 1 Chemical composition of SUS304 (wt%) C Si Mn P S Ni Cr ≦0.08 ≦1.00 ≦2.00 ≦0.045 ≦0.030 8.00〜10.50 18.00〜20.00 Table 2 Static mechanical properties of SUS304 s0.2 [MPa] Elongation f [%] Reduction of area y [%] 280 41.6 78.8 Fig. 1 Geometry and dimensions of 1/2T-WLCT specimen Experimental methods.
Online since: February 2020
Authors: Tomasz Ponikiewski, Jacek Katzer
It is important to determine the degree of variation in the mechanical properties of SFRSCC caused by the location and orientation of fibre [9, 10, 11].
The analysis of mutually exclusive factors occurring with the addition of steel fibre to SCC, namely the deterioration of workability and the increase of a compressive strength is discussed in this paper.
X-ray 3D image of SFRSCC beams with fibre KE 20/1.7 Conclusions The main scope of the paper was to examine the rheology and mechanical properties of SFRSCC and to establish the relationships between rheology and mechanical properties.
It was concluded that the dispersion and alignment of fibre have affected the rheological and mechanical properties of SFRSCC.
References [1] Boulekbache B., Hamrat M., Chemrouk M., Amziane S.: Flowability of fibre-reinforced concrete and its effect on the mechanical properties of the material.
Online since: July 2011
Authors: Zheng Jun Liu, Xiao Juan Wu, Guo De Li
Furthermore, the mechanical properties of coating were studied by micro-hardness tester and universal friction-wear testing machine.
By orthogonal test, the technology parameters affecting electroless plating were optimized.
Therefore, these two are not chosen as the reference factors in this orthogonal test.
Analysis based on orthogonal test is as follows: for hardness, P percentage content, and wear loss of the coating, the sequence of all factors is: E→A→C→B→D.
Table 1 Factors and levels of orthogonal test levels C6H5O7Na3•2H2O (g•L-1) H2N-CH2-COOH (g•L-1) CH3COONa (g•L-1) C4H6O4 (g•L-1) PH Value A B C D E 1 9 8 10 1 4.2 2 12 10 12 3 4.4 3 15 12 15 5 4.6 4 18 14 18 7 4.8 Table 2 Results of orthogonal test L16 (45) No.
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