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Online since: December 2012
Authors: Larry D. Hefti
Stainless steel alloys have been developed that successfully withstand oxidation at 900°C in air, however, it is apparent that under the SPF conditions of combining titanium, graphite and boron lubricants along with a low partial pressure of oxygen, as well as other factors, the die surface is preferentially attacked, so that dies have to be regularly cleaned in order to maintain the required surface finish.
This also contributed to minimizing any mechanical property testing that would be required to qualify the material after SPF since the properties already existed for standard grain material.
Also, forming at this lower temperature reduces the amount of alpha case, a brittle, oxygen rich layer on the surface that affects fatigue, which has to be removed by chemical milling from parts.
This also contributed to minimizing any mechanical property testing that would be required to qualify the material after SPF since the properties already existed for standard grain material.
Also, forming at this lower temperature reduces the amount of alpha case, a brittle, oxygen rich layer on the surface that affects fatigue, which has to be removed by chemical milling from parts.
Online since: October 2010
Authors: Huan Ling Wang, Miao He
Store large amount of fly ash, not only occupy large areas of agricultural land、the dust generated serious pollute the atmosphere (REES and SIDRAK. 1956;Dreesden et al. 1977; Riekerk 1983; Wong and Wong 1986; El-Mogazi et al. 1988;Menon et el. 1990; Carlson and Adriano 1993; Singh and Yunus 2000)[1-8], but also pollute groundwater system in the storage areas, furthermore, if the wet slurry discharged into rivers and lakes, would be pollute the watercourses and then directly affects the growth of aquatic organisms (Rohrman 1971)[9], and finally destruct ecological balance.
Such as, the fly ash is suggested as replacements for soil as cover material in sulfidic mine tailings (Holmström, 2000) [11]; the fly ash can form durable sealing layers due to its self-hardening properties (Steenari et al.1999) [12] and can possibly prevent the formation of acidic drainage water due to its high alkalinity; the fly ash can also used as a building materials (Wesche, et al.1989) [13].
However, the fly ash as subgrades filling also has many unfavorable factors.
Field test of important construction parameters Roller Compacted Combination Program Degree of compaction of fly ash embankment has relationship with thickness of loose paving、rolling frequency、construction machinery 、fly ash property and its water content et al.
(4) Dynamic cone penetration method (DCP) can obtain subgrade CBR value according to the experiential formula, and can be directly conduct subgrade strength evaluation using the mechanical indicators, at the same time, this method can reflect the vertical quality change of compaction layer, and has a strong correlation with traditional sand replacement method.
Such as, the fly ash is suggested as replacements for soil as cover material in sulfidic mine tailings (Holmström, 2000) [11]; the fly ash can form durable sealing layers due to its self-hardening properties (Steenari et al.1999) [12] and can possibly prevent the formation of acidic drainage water due to its high alkalinity; the fly ash can also used as a building materials (Wesche, et al.1989) [13].
However, the fly ash as subgrades filling also has many unfavorable factors.
Field test of important construction parameters Roller Compacted Combination Program Degree of compaction of fly ash embankment has relationship with thickness of loose paving、rolling frequency、construction machinery 、fly ash property and its water content et al.
(4) Dynamic cone penetration method (DCP) can obtain subgrade CBR value according to the experiential formula, and can be directly conduct subgrade strength evaluation using the mechanical indicators, at the same time, this method can reflect the vertical quality change of compaction layer, and has a strong correlation with traditional sand replacement method.
Online since: February 2016
Authors: A. Nazarov, Valerii Ievtukh
The bulk floating gate in the oxide of Flash MOS transistor is replaced by a layer of nanoscale conductive, insulated from each other clusters that promised new superior properties of NCM.
Only this factor changes CV slope in depletion region during the memory device reprogramming.
As both control and tunnel dielectrics are thin enough to make quantum mechanical tunneling available the tunneling probability is a key factor that defines the total charge flow rate for the dielectric.
The (h/r + 3) part is called the filed enhancement factor.
This result is considered as a key factor for manifestation of unipolar memory effect.
Only this factor changes CV slope in depletion region during the memory device reprogramming.
As both control and tunnel dielectrics are thin enough to make quantum mechanical tunneling available the tunneling probability is a key factor that defines the total charge flow rate for the dielectric.
The (h/r + 3) part is called the filed enhancement factor.
This result is considered as a key factor for manifestation of unipolar memory effect.
Online since: June 2021
Authors: P. Stephan Heyns, Khathutshelo Kentridge Mantsha, Dawood Ahmed Desai
Table 1 below outlines the material properties used in this study.
Material Properties used in FEMs [18].
As a result, steps were taken to ensure that the suspension bands did not appreciably affect the modes.
The suspension points were chosen based on two factors.
[18] MPDB, Material properties database software, vol. v 8.41, ed
Material Properties used in FEMs [18].
As a result, steps were taken to ensure that the suspension bands did not appreciably affect the modes.
The suspension points were chosen based on two factors.
[18] MPDB, Material properties database software, vol. v 8.41, ed
Online since: May 2016
Authors: Aeslina binti Abdul Kadir, Ahmad Shayuti Abdul Rahim, Nur Athirah Ideris
In term of properties, compressive strength was conducted by incorporating 0%, 1%, 5%, 10%, 20% and 30% bodymill and polishing sludge into fired clay brick.
(a) (b) Figure 1: Heavy Metal Concentrations in Raw Material (a) SPLP (b) TCLP As for properties, Universal Testing Machine (UTM) used to determine the compressive strength of the brick for every percentage includes Bodymill Brick (BS Control, BS 1%, BS 5%, BS 10%, BS 20%, and BS 30%) and Polishing Brick (PS Control, PS 1%, PS 5%, PS 10%, PS 20%, and PS 30%).
The pH value was affected by sludge that was utilized in BS brick. [1] Mostly ceramic product produce chemical content such as silica (SiO2), alumina (Al2O3), lime (CaO), alkaline oxides and magnesium oxides.
Solution pH could be an important factor that controls the leaching and mobility of hazardous trace elements presented where lower pH values increase the leaching rate of inorganic constituents from.[3] This study aso included the result of heavy metal concentration where the sample was in stirred conditions.
However, bodymill sludge produce better physical and mechanical properties compared to polishing sludge.
(a) (b) Figure 1: Heavy Metal Concentrations in Raw Material (a) SPLP (b) TCLP As for properties, Universal Testing Machine (UTM) used to determine the compressive strength of the brick for every percentage includes Bodymill Brick (BS Control, BS 1%, BS 5%, BS 10%, BS 20%, and BS 30%) and Polishing Brick (PS Control, PS 1%, PS 5%, PS 10%, PS 20%, and PS 30%).
The pH value was affected by sludge that was utilized in BS brick. [1] Mostly ceramic product produce chemical content such as silica (SiO2), alumina (Al2O3), lime (CaO), alkaline oxides and magnesium oxides.
Solution pH could be an important factor that controls the leaching and mobility of hazardous trace elements presented where lower pH values increase the leaching rate of inorganic constituents from.[3] This study aso included the result of heavy metal concentration where the sample was in stirred conditions.
However, bodymill sludge produce better physical and mechanical properties compared to polishing sludge.
Online since: November 2009
Authors: Zhi Rui Wang, Ji Luo
Introduction
The grain size effect on deformation mechanism is one of the most important problems on
microstructure-based properties.
It is well known that, the principles or rules for single crystal properties cannot be, and should not be, applied directly for polycrystalline materials.
It is clear that the size of the crystal would affect the total elastic energy stored.
This would to some extent affect the accuracy of the predictions.
Courtney: Mechanical Behavior of Materials (McGraw Hill, Boston-Toronto 2000)
It is well known that, the principles or rules for single crystal properties cannot be, and should not be, applied directly for polycrystalline materials.
It is clear that the size of the crystal would affect the total elastic energy stored.
This would to some extent affect the accuracy of the predictions.
Courtney: Mechanical Behavior of Materials (McGraw Hill, Boston-Toronto 2000)
Online since: January 2018
Authors: Ben Bright Benuwa, Benjamin Ghansah, Ernest Ansah, Pokuaa Andriana Sarkodie, Zhen Kai Zhang
USV is therefore a preferred choice to affect the job of maritime salvage at severe sea with unmanned advantage.
By bringing to light the limited application of some fundamental principles of human systems integration, this paper contributed to the holistic understanding of the various underlying factors that affect technology amalgamation in ship management processes as discussed below.
Further confirmation was presented in [31] which indicated that, this only adds to the other contributory factors of long hours of shift work without proper rest and administration tasks that pile up.
One common goal that is shared among mariners is to save people’s life and properties at sea through maritime communication activities applying advanced information and communication technology (AICT).
American Society of Mechanical Engineers
By bringing to light the limited application of some fundamental principles of human systems integration, this paper contributed to the holistic understanding of the various underlying factors that affect technology amalgamation in ship management processes as discussed below.
Further confirmation was presented in [31] which indicated that, this only adds to the other contributory factors of long hours of shift work without proper rest and administration tasks that pile up.
One common goal that is shared among mariners is to save people’s life and properties at sea through maritime communication activities applying advanced information and communication technology (AICT).
American Society of Mechanical Engineers
Online since: June 2010
Authors: Maria Vallet-Regí, Montserrat Colilla, Blanca González, Carlos López de Laorden
This is attributed to factors like the known multivalency of the dendrimers and
the availability of their terminal groups, overcoming steric inhibition that can be found with
polymers.
Moreover, there are other remarkable factors such as mesopore diameter, which must be big enough to allow the properly confinement of the host-molecule.
MRI agents produce image contrast by affecting the relaxation properties of water protons.
Carbon is considered a ceramic because of its many ceramic-like properties.
In Bioceramics: Properties, Preparations and Applications, edited by W.
Moreover, there are other remarkable factors such as mesopore diameter, which must be big enough to allow the properly confinement of the host-molecule.
MRI agents produce image contrast by affecting the relaxation properties of water protons.
Carbon is considered a ceramic because of its many ceramic-like properties.
In Bioceramics: Properties, Preparations and Applications, edited by W.
Online since: December 2014
Authors: Ping Rui Meng, Liang Bo Li
Due to its character of very brittle, poor mechanical performance, weak seepage force and poor dispersion property at low temperature, the application of native starch is limited[2].
Fertilizers are the main factors that limit the production of agriculture, so it is very important to improve the utilization of fertilizer nutrients.
Nitrogen, the most vital nutrient for crops, has commonly been considered to be the yield-limiting factor.
The urea can be released only if the SPAM /urea membranes reach a certain swelling rate. 3.2.3 Release of urea from the SPAM /urea composite films in soil Because there are many factors that could affect the release ofurea from loaded SPAM in soil, such as the kind of soil, watercontent, bulk density, urea concentration, gel collapse and so on, there must exist obvious differences for urea releasefrom loaded SPAM between in distilled water and in soil.
Fertilizers are the main factors that limit the production of agriculture, so it is very important to improve the utilization of fertilizer nutrients.
Nitrogen, the most vital nutrient for crops, has commonly been considered to be the yield-limiting factor.
The urea can be released only if the SPAM /urea membranes reach a certain swelling rate. 3.2.3 Release of urea from the SPAM /urea composite films in soil Because there are many factors that could affect the release ofurea from loaded SPAM in soil, such as the kind of soil, watercontent, bulk density, urea concentration, gel collapse and so on, there must exist obvious differences for urea releasefrom loaded SPAM between in distilled water and in soil.
Online since: March 2014
Authors: Michel Guillaume, Andreas Uebersax, Georges Mandanis, Cyril Huber
Introduction
Up to 1958 no formal fatigue requirements exist only static strength considerations plus safety factors were expected to preclude fatigue damages.
The essential property of the new test facility is the absolute proportionality of the load distribution and the genuine sequence of loading.
The force are produced hydraulically and transmitted by mechanical means to the test specimen, which jacks which are working in tension as well as in compression.
At the end of the fatigue test an ultimate test with factor of 1.5 up to 9g was done.
Not only safety factors are defined but also initial crack sizes, probability of failures were categorized.
The essential property of the new test facility is the absolute proportionality of the load distribution and the genuine sequence of loading.
The force are produced hydraulically and transmitted by mechanical means to the test specimen, which jacks which are working in tension as well as in compression.
At the end of the fatigue test an ultimate test with factor of 1.5 up to 9g was done.
Not only safety factors are defined but also initial crack sizes, probability of failures were categorized.