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Online since: February 2026
Authors: Samson Olalekan Odeyemi, Mohammed Abdulkareem Adisa, Mokanmiyo Adedeji Olawale, Stephen Adeyemi Alabi, Toluwanimi Omotayo Omole
To ensure durability, they must be sufficiently tough, such that fingernail scratches do not leave any marks on the surface. 2.4 Factors Determining the Durability of Bricks According to BS EN 771-1:2011 [32], the durability of laterite cement bricks is influenced by several key factors.
The solid clay was broken and sieved multiple times to different diameters for the finest grains, and to remove unwanted materials like stones that could affect the homogeneity and properties of the samples.
Properties of clay.
Muhammad, “Effects of coal and wheat husk additives on the physical, thermal and mechanical properties of clay bricks,” Boletin de la Sociedad Espanola de Ceramica y Vidrio, 2017, doi: 10.1016/j.bsecv.2017.02.001
[33] ASTM D427-04, “Standard Test Method for Shrinkage Factors of Soils by the Mercury Method,” ASTM International, 2004
Online since: January 2012
Authors: Zhao Guang Li, Zhi Li Sui, Xu Peng Wang, Chun Lai Qu
Based on the experimental results, the morphology and mechanical properties of modified soil will not be affected under the dynamic load of earthquake and traffic.
There is a dynamical equilibrium between salt solution and soil particles with the external conditions (for example, temperature, moisture and other factors)[1].
In recent years, with the development of coastal highway and large transport vehicles, studying on the mechanical property of road-bed modified carrier is important at the district of strong salinization.
Dynamic triaxial test is a important methods and means of studying on mechanical characteristics of soil, for the reason of dynamic tri-axial test can be better to simulate the soil variation law under the dynamic loading.
Online since: November 2007
Authors: Hyun Min Kim, Kee Ahn Lee, Sun Ae Lee, Tai Joo Chung, Kyung Sik Oh
Thus it can be an attractive candidate material for drug delivery in bone related disease, since the carrier may have little chances of thermally affecting the loaded drug.
U.Gbureck et al.[3] analyzed the various factors affecting the shelf life of bone cement such as starting acidic component, milling condition and atmosphere during storage.
The formation of DCP instead of DCPD affects the properties of β-TCP based cement in many aspects.
The decrease of density also affected the mechanical properties of cement.
Conclusively, in spite of the excellent biocompatibility and biodegradability of β-TCP based cement, storing condition of the cement is found to strongly affect the properties of cement such as setting time, temperature rise and compressive strength.
Online since: May 2013
Authors: Pekik Nurwantoro, Sudjatmoko Sudjatmoko, Kuwat Triyana, Laith Rabih
The three phases have different optical properties such as transparency and optical band gap.
Results and Discussion Structure Studies and electrical properties.
Increasing of rutile weight percentage leads to the changing both optical and electrical properties of titanium oxide thin films [9].
Both the mobility and carriers concentration have changed with structure factors such as grain size and defects.
Saidur: International Journal of Mechanical and Materials Engineering (IJMME), Vol. 5 No.1 (2010), p. 5-10
Online since: May 2011
Authors: De Ping Chen, Ke Qing Li, Shi Li Zhang, Bao Shun Liu
Introduction The hot and humid environment caused by geotherm and groundwater is the main factor that affects the physical and psychological health and the working efficiency of the workers working in deep underground conditions.
Water leakage of the surrounding rock, heat radiation of the high-temperature rock and the interaction of moisture with heat are the main factors caused the high temperature and humidity.
Experiment Materials The cementitious material used in the experiment was P.O.42.5 ordinary Portland cement whose physical properties are shown in Table 1.
Finally, the expected composite material was produced after the complex was maintained for 48h under natural condition. 1.2.3 Testing of Mechanical and Physical Properties of the Foamed Concrete By using trabecular single-point loading method, the flexural strength of foamed concrete sample with a size of 40mm × 40mm × 160mm was tested.
However, the strength of the foamed concrete is affected by such factors as the performance of the concrete, water-cement ratio, foam amount, foam size and the distribution of the foam in the concrete.
Online since: April 2014
Authors: Bao Xing Zhou, Yue Xia Zhang, Ru Niu Fang
As the performance of the accelerometer circuitry is affected by temperature, a readout system is introduced for compensating the temperature drift and the non-linearity of this piezoresistive accelerometer by using the MAX1452 processor.
And LTCC multilayer technology allows realize different structures for sensor applications, Screen printed and piezoresistor materials can be used to sense the mechanical deformations in MEMS structures.
What’s more, LTCC sensors have good performance in high temperature or corrosive environment because of it has good chemical properties and high temperature stability.
Fig. 1 LTCC-accelerometer structure We select thick film resistors (ESL3414) as piezoresistors for this accelerometer, Because ESL3414 Series high gauge factor resistor pastes are specifically designed for piezoresistive applications on LTCC substrates [4].
The performance of accelerometer will be affected by temperature changes, causing shifts in the zero-load output or offset voltage.
Online since: August 2020
Authors: Juree Charoenteeraboon, Pitsiree Praphanwittaya, Thawatchai Phaechamud, Setthapong Senarat
The mechanical properties of them were measured using a texture analyzer.
Not only drug but type of solvent was also the crucial factors for this phenomenon.
The mechanical properties were examined quantitatively using a texture analysis.
Furthermore the alignment of DXP matrix explicitly disconnected at the end of time interval as the results of degradation and mechanical properties.
In situ forming implants for periodontitis treatment with improved adhesive properties.
Online since: January 2013
Authors: Li Hui Wang, Hai Peng Li, Jia Wei Fan, Xue Xia Wang, Ju Yuan Zhao
They also affect the lead time, and quality and cost of panel die development.
The FEM simulation can be made fully automatic and can be extended to cases of complex geometry, loading material properties as well as to other objective functions of the optimisation problem [6].
Therefore, to prevent potential defects and the disadvantageous factors in designing molding process of automobile trunk side panel, a complex automobile covering part, we determined its forming process by numerical simulation technology and corresponding FEM software.
Material properties Automobile trunk side panel, the objective studied in this paper, is shown in Fig. 1.
Mechanical property parameters of the model are listed in the Table 1.
Online since: September 2019
Authors: Andrey Igorevich Zhitenev, Gleb A. Turichin, R.S. Korsmik, G.G. Zadykyan
The wear or damage of blades during the operation time caused by vibration, shock, abrasive wear, high temperatures exploitation and other negative factors [1].
Minimum allowance for the further mechanical treatment (about 200 μm), narrow heat-affected area (up to 100 μm), presence of fine-grained structure of built-up layer, minimum (local) energy deposition, increase of repair area of GTE blade surface, absence of heat treatment, higher mechanical characteristics of built-up layer refer to the characteristics of laser technology as opposed to argon-arc welding [8 - 15].
Level of variation Factors Dimensionless value Power, P, W Traverse speed, V, mm/s Feeding rate of powder, F, g/min +1,68 166 3.32 1.77 +1 200 4 2.12 0 250 5 2.65 -1 300 6 3.20 -1,68 334 6.68 3.53 To analyze the samples microstructure, the longitudinal and cross sections were produced.
Aerospace and Mechanical Engineering. 2016.
Influence of Technological Parameters of Direct Laser Deposition Process on the Structure and Properties of Deposited Products from Alloy Ti-6Al-4V.
Online since: November 2011
Authors: Yong Le Liu, Jian Hui Wang, Jian Yu, Fa Xiang Wang, Xiang Hong Li
The effects of germination on physicochemical, morphological and rheological properties of rice starch from germ-remaining polished rice (GRPR) have been investigated.
The properties of starches from raw GRPR, brown rice and germinated brown rice were also characterized as the comparison.
Nowadays Hunan Xiang Liang Mechanical Manufacturing Co.
Protein was determined from estimates of total nitrogen using a conversion factor of 5.95.
Furthermore, the results also suggested that amylose content could be the major factor responsible for rheological properties.
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