scholarly journals Implications of Cellulose in Modeling the Behavior of Vegetal Additive Materials in Clay Based Ceramics: Technical and Archaeological Issues

10.5772/53526 ◽  
2013 ◽  
Author(s):  
Ferenc Kristly
Keyword(s):  
Additive Materials

scholarly journals Computational screening of phosphite derivatives as high-performance additives in high-voltage Li-ion batteries

RSC Advances ◽  
2017 ◽  
Vol 7 (32) ◽  
pp. 20049-20056 ◽  
Author(s):  
Young-Kyu Han ◽  
Jaeik Yoo ◽  
Taeeun Yim
Keyword(s):  
High Voltage ◽  
First Principles ◽  
High Performance ◽  
First Principles Calculations ◽  
Li Ion Batteries ◽  
Computational Screening ◽  
Screening Protocol ◽  
Li Ion ◽  
Performance Additives ◽  
Additive Materials

We presented a computational screening protocol for the efficient development of cathode-electrolyte interphase (CEI)-forming additive materialsviathe first-principles calculations.

Studies of the mechanical and neutron shielding features of concrete by incorporation of green additive materials: Experimental and numerical study

2021 ◽  
pp. 109846
Author(s):  
Marzieh Hassanpour ◽  
Mehdi Hassanpour ◽  
Mohammadreza Rezaie ◽  
Eysa Salajegheh ◽  
Mohammad Rashed Iqbal Faruque ◽  
...  
Keyword(s):  
Numerical Study ◽  
Neutron Shielding ◽  
Green Additive ◽  
Additive Materials

scholarly journals The Effect of Various Additive Materials on Physical Quality and Silase Chemical Rice Chemistry (Zea mays.L)

2020 ◽  
Vol 19 (2) ◽  
pp. 6
Author(s):  
Marselinus Banu ◽  
Hery Supratman ◽  
Yuli Astuti Hidayati
Keyword(s):  
Quality Data ◽  
Chemical Quality ◽  
Corn Straw ◽  
Cassava Flour ◽  
Physical Quality ◽  
Randomized Design ◽  
Physical And Chemical Quality ◽  
Additive Materials ◽  
Physical And Chemical

Purpose of this study was to determine the extent from the influence of various additives on the physical and chemical quality of silage of corn straw (Zea mays. L). This study was carried out using the experimental method and Completely Randomized Design (CRD) with 4 treatments consisting of P0: corn straw silage without additives, P1: corn straw silage + 0.5% Heryaki powder, P2: corn straw silage + 5% cassava flour and P3: corn straw silage + 5% sago flour and 5 replications. Data on physical quality (odor, color and texture) were analyzed descriptively while chemical quality data (pH and ammonia were analyzed using ANOVA variance, followed by Duncan's Multiple Distance Test. Giving additives of Heryaki powder, cassava flour and sago flour showed good results on the physical quality of corn straw silage (sour smell, brownish green and texture does not clot) and has a significant effect on honey and ammonia.

scholarly journals Studi Kuat Tekan Beton Speedcrete Dengan Zat Additive Naphthalene Berdasarkan Variasi Umur

2019 ◽  
Vol 14 (2) ◽  
Author(s):  
Syifa Fauziah ◽  
Anisah Anisah ◽  
Sittati Musalamah
Keyword(s):  
Compressive Strength ◽  
Test Object ◽  
Treatment Process ◽  
Concrete Strength ◽  
Test Machine ◽  
Water Age ◽  
Normal Concrete ◽  
Compressive Strength Of Concrete ◽  
Normal Strength ◽  
Additive Materials

This research aims to determine the maximum compressive strength value of concrete speedcrete using naphthalene additive additive at each test age and compare with normal concrete 28 days. This research used cylindrical test object with diameter 15 cm and height 30 cm. Speedcrete concrete does not undergo the treatment process while the normal concrete test object through the treatment process. Testing compressive strength of concrete speedcrete using Crushing Test Machine tool. In this research the compressive strength was produced by using superplasticizer type naphthalene and compared with normal concrete without using additive. The target quality plan is fc '35 MPa with the use of additive dose of 1.7% of the weight of cement. The results of this research showed an increase in the value of compressive strength of concrete speedcrete with aadditive materials added naphthalene increased with increasing age of concrete. The results showed that the compressive strength of concrete speedcrete with naphthalene additive materials of 12 hours, 18 hours, 28 hours and 48 hours was 0.5 MPa, 17,81 MPa, 31,14 MPa and 45,77 MPa. Normal strength concrete strength with the addition of 20% water age 28 days that is equal to 54.76 MPa.

Quasi-Solid Graphite Anode for Flexible Lithium-Ion Battery

2018 ◽  
Author(s):  
Waleed Zakri ◽  
Muapper Alhadri ◽  
AbdulHaq Mohammed ◽  
Roja Esmaeeli ◽  
Seyed Reza Hashemi ◽  
...  
Keyword(s):  
Radio Frequency Identification ◽  
Lithium Ion ◽  
Graphite Powder ◽  
Liquid Electrolyte ◽  
Graphite Anode ◽  
Market Demand ◽  
Implantable Medical Devices ◽  
Conductive Additive ◽  
Identification Tags ◽  
Additive Materials

Flexible Li-ion batteries (LIBs) have a strong oncoming consumer market demand for use in wearable electronic devices, flexible smart electronics, roll-up displays, electronic shelf labels, active radio-frequency identification tags, and implantable medical devices. This market demand necessitates research and development of flexible LIBs in order to fulfill the power requirements of these next-generation devices. This study investigated the performance of quasi-solid anode — the active and conductive additive materials suspended in liquid electrolyte — for flexible lithium-ion batteries (LIB). A quasi-solid graphite anode was fabricated and tested using different material ratios and compositions, showing an acceptable performance. Furthermore, this study looked into the effect of graphite powder ratios in battery performance. A ratio of over 65% of the specific discharge capacity to the theoretical capacity was achieved maintaining the capacity retention of more than 74% after the second cycle.

Thermal-Mechanical Study of 3D Printing Technology for Rail Repair

2018 ◽  
Author(s):  
Ershad Mortazavian ◽  
Zhiyong Wang ◽  
Hualiang Teng
Keyword(s):  
Thermal Analysis ◽  
Thermal Expansion ◽  
3D Printing ◽  
Stress Distribution ◽  
Temperature Gradient ◽  
Initial Temperature ◽  
Mechanical Analysis ◽  
Von Mises Stress ◽  
Additive Materials ◽  
Von Mises

The complicated steel wheel and rail interaction on curve causes side wear on rail head. Thus, the cost of maintenance for the track on curve is significantly higher than that for track on a tangent. The objective of this research is to develop 3D printing technology for repairing the side wear. In this paper, the study examines induced residual thermal stresses on a rail during the cooling down process after 3D printing procedure using the coupled finite volume and finite element method for thermal and mechanical analysis respectively. The interface of the railhead and additive materials should conserve high stresses to prevent any crack initiation. Otherwise, the additive layer would likely shear off the rail due to crack propagation at the rail/additive interface. In the numerical analysis, a cut of 75-lb ASCE (American Society of Civil Engineers) worn rail is used as a specimen, for which a three-dimensional model is developed. The applied residual stresses, as a result of temperature gradient and thermal expansion coefficient mismatch between additive and rail materials, are investigated. At the beginning, the worn rail is at room temperature while the additive part is at a high initial temperature. Then, additive materials start to flow thermal energy into the worn rail and the ambient. The thermal distribution results from thermal analysis are then employed as thermal loads in the mechanical analysis to determine the von-Mises stress distribution as the decisive component. Then, the effect of preheating on residual stress distribution is studied. In this way, the thermo-mechanical analysis is repeated with an increase in railhead’s initial temperature. In thermal analysis, the temperature contours at different time steps for both the non-preheated and preheated cases indicate that preheating presents remarkably lower temperature gradient between rail and additive part and also represents a more gradual cooling down process to allow enough time for thermal expansion mismatch alignment. In mechanical analysis, the transversal von-Mises stress distribution at rail/additive interface is developed for all cases for comparison purposes. It is shown that preheating is a key factor to significantly reduce residual stresses by about 40% at all points along transversal direction of interface.

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