Influence of dispersants on the properties of CNTs
The influence of dispersants on the electrical conductivity and mechanical properties of cement paste incorporated with CNTs has been investigated It is shown that enhanced dispersion of CNTs achieved by the use of dispersants significantly improves the electrical conductivity through the formation of electrical networks in the cement based composite at mature stage
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Effect of dispersant types on the rheological and
While the addition of dispersant makes the cement more compact and promotes the mechanical strength development of hardened cement Nanosilica possessing nucleation effect and small size filling effect can promote the formation and growth of hydrates meanwhile fill large pores in hydration products Besides the dispersants enhance the dispersion of nanosilica in cement paste thus the nanosilica filled set cement including dispersants
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Impact of Intermetallic Growth on the Mechanical
layers Those intermetallics are brittle and may compromise the joint s mechanical integrity leading to failure at unacceptably low mechanical stresses such as those potentially applied during shipping handling or mild mechanical shock Since the trend in modern electronics is miniaturizing solder joints the role of these compounds may
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Impact of Silicon Content on Mechanical Properties of
In present work we have studied the influence of silicon on mechanical properties such as ductility hardness toughness yield strength of Aluminum alloy The silicon content is varied from 5 7 9 12 5 and 14 in five different aluminum alloys The mechanical properties were measured using the tension test It was
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Processing methods for optimising the mechanical strength
The mechanical strength evolutions compared with the dry density are plotted in Figures 7 and 8 Figure 7 Evolution of mechanical properties of samples of different soils for four different forming processes symbol shape indicates the processing route and symbol colorblack grey and openindicates the soil type
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Effect of Radiation on the Mechanical Properties of
measure the mechanical properties of a material is the Tension Test Tension test is widely used to provide basic design information on the strength of materials and is an accepted test for the specification of materials The major parameters that describe the
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Impact of Intermetallic Growth on the Mechanical Strength
CiteSeerXDocument Details Isaac Councill Lee Giles Pradeep Teregowda The increasing industry awareness of lead free activities has prompted users and suppliers to investigate lead free solder systems in detail The need to understand the intermetallic formation structure and its impact on the reliability of solder joints was the driving force behind this study
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Effect of Radiation on the Mechanical Properties of
measure the mechanical properties of a material is the Tension Test Tension test is widely used to provide basic design information on the strength of materials and is an accepted test for the specification of materials The major parameters that describe the
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The Impact of Corrosion on the Mechanical Properties of
The Impact of Corrosion on the Mechanical Properties of Smooth Steel Rebar HPB235 The impact of corrosion on the mechanical properties of steel rebar was examined An experimental investigation was carried out in order to gain better insight of the effect of corrosion on the mass loss strength of smooth Steel Rebar HPB235 10 mm diameter steel bars that were artificially corroded for
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Effect of Heat Treatment on Mechanical Properties and
strength of the untreated specimen was 343 80 N/mm2 and hardness value of 100 10 BHN elongation 21 16 reduction 63 23 young modulus 465 78 N/mm2 yield strength 217 31 N/mm2 and toughness of 58 88 J were obtained Table 3 Mechanical Properties of heat treated and untreated NST 37 2 steel Heat treatment Mechanical properties Tensile strength
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Impact of Curing Time and Curing Stress On the
IMPACT OF CURING TIME AND CURING STRESS ON THE MECHANICAL BEHAVIOR OF CEMENT IMPROVED AND CEMENT FIBER IMPROVED SOFT SOIL by Ryan Starcher Bachelor of Science University of South Carolina 2011 Submitted in Partial Fulfillment of the Requirements For the Degree of Master of Science in
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Impact of germanium doping on the mechanical strength of
The lack of interstitial oxygen for locking and pinning of dislocations has made the ultra high resistivity silicon wafers for radio frequency applications prone to slip and warpage during electronic device manufacturing In this work we investigate the role of germanium doping on the dislocation mobility in very low oxygen concentration Czochralski grown silicon wafers
Get PriceImproved Durability through Reactive Dispersant Technology
The dispersants are functionalized such that they become part of the continuous phase of the coating improving overall film integrity Application examples in both waterborne and solventborne formulations demonstrate the effects of reactive technology on mechanical and barrier properties in comparison to conventional systems Introduction
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Effect of organic dispersants on structural and mechanical
The resulting powder is labeled as ZA/WM To study the effect of different organic dispersants on particle size and physical and mechanical properties of the ceramic composites 5 wt of saccharide dispersing agents is introduced to the system ZA/ND ceramic powder is selected as the control sample to closely monitor the influence of dispersants
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Impact of Silicon Content on Mechanical Properties of
In present work we have studied the influence of silicon on mechanical properties such as ductility hardness toughness yield strength of Aluminum alloy The silicon content is varied from 5 7 9 12 5 and 14 in five different aluminum alloys The mechanical properties were measured using the tension test It was
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IMPACT OF DISPERSANTS ON THE MECHANICAL
Impact of dispersants on the mechanical strength development of alumina spinel self flowing refractory castables CeramicsSilikáty 54 3 2010 285 EXPERIMENTAL Raw materials and composition The composition used for the preparation of alu mina spinel self flowing castable is listed in Table 1
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The first column in Table 1 represents the PCEs of short backbone length sb which is composed of approximately 83 methacrylic units based on M w contrast the second column describes the PCEs exhibiting a long backbone lb made of about 295 methacrylic units based on M w Additionally both groups possess two different side chain lengths as expressed by the numbers
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Impact of stylolites on the mechanical strength of limestone
18 mechanical data reveal that samples with a stylolite are always significantly weaker with 19 respect to the adjacent stylolite free material However the presence of a stylolite in different 20 orientations with respect to the direction of loading did not result in any mechanical 21 anisotropy Numerical simulations using a 2D finite element code suggest that the weakening
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Impact of stylolites on the mechanical strength of limestone
1 1 Impact of stylolites of the mechanical strength of limestone 2 3 Patrick Baud1 Alexandra Rolland1 Michael Heap1 Tao Xu2 Marion Nicolé1 Thomas 4 Ferrand3 Thierry Reuschlé1 Renaud Toussaint1 Nathalie Conil4 5 6 1Institut de Physique du Globe de Strasbourg UMR 7516 CNRS Université de 7 Strasbourg/EOST 5 rue René Descartes F 67084 Strasbourg Cedex France
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Impact of stylolites on the mechanical strength of
We performed a series of uniaxial compression tests on samples of microporous carbonates from the Paris Basin Bure France Sedimentary stylolites are pervasive in these formations We show that the porosity in the vicinity of the stylolites is always higher than that of the host rock As a result our new mechanical data reveal that samples with a stylolite are always measurably weaker with
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IMPACT OF DISPERSANTS ON THE MECHANICAL STRENGTH
IMPACT OF DISPERSANTS ON THE MECHANICAL STRENGTH DEVELOPMENT OF ALUMINA SPINEL SELF FLOWING REFRACTORY CASTABLES Semantic Scholar The effect of four commercial dispersants on the properties of alumina spinel self flowing refractory castables
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Impact Resistance An Important Mechanical Property in
Impact resistance is the ability of a coating to resist crack or break caused by high mechanical loads and stress levels These mechanical loads are produced either by shrinking or swelling mechanical abuse and weathering Impact resistance is one of the important mechanical properties of a coating to be considered while formulating coating
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Effect of organic dispersants on structural and mechanical
Dispersants also influenced microstructure physical and mechanical density hardness and fracture toughness of the sintered disks prepared from the as synthesized ceramic powders by preventing agglomeration of particles densification of ceramic specimens and
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Impact of germanium doping on the mechanical strength of
ABSTRACT The lack of interstitial oxygen for locking and pinning of dislocations has made the ultra high resistivity silicon wafers for radio frequency applications prone to slip and warpage during electronic device manufacturing In this work we investigate the role of germanium doping on the dislocation mobility in very low oxygen concentration Czochralski grown silicon wafers Mechanical
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The Influence of Grain Size on the Mechanical Properties
The Influence of Grain Size on the Mechanical Properties of Steel J W Morris Jr Department of Materials Science and Engineering University of California Berkeley and Center for Advanced Materials Lawrence Berkeley Laboratory Berkeley CA 94720 Keywords Grain refinement Hall Petch relation steel strength toughness brittle transition
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Impact of Intermetallic Growth on the Mechanical
Impact of Intermetallic Growth on the Mechanical Strength of Lead Free BGA Assemblies Patrick Roubaud Ph D Grace Ng Greg Henshall Hewlett Packard Palo Alto CA Ronald Bulwith Robert Herber Alpha Metals Jersey City NJ Swaminath Prasad Flynn Carson ChipPAC Santa Clara CA Sundar Kamath Alexander Garcia Sanmina San Jose CA Abstract
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Metals like aluminum Al can decrease the mechanical strength due to micro cracking of the silicon matrix and introduction of high values of thermal residual stress Additionally silicon oxide SiOx lowers the mechanical strength of mc Si due to thermal residual stresses and stress intensification when an external load is applied in the
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Impact of Intermetallic Growth on the Mechanical
Impact of Intermetallic Growth on the Mechanical Strength of Pb Free BGA Assemblies Patrick Roubaud Grace Ng Greg HenshallHewlett Packard Ronald Bulwith Robert HerberAlpha Metals Swaminath Prasad Flynn CarsonChipPAC Sundar Kamath Alexander GarciaSanmina Presented at APEX 2001 on January 16 18 2001 in San Diego CA ABSTRACT
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Impact of stylolites on the mechanical strength of
In the few cases where the samples did not actually break during preparation we could always see some macrofractures associated to the stylolite plane Fig 18B and further manipulations of these samples showed that their mechanical strength was dramatically low Fig 18C We therefore believe that the thickness of the stylolites plays a major role on their impact on rock strength
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Effect of microstructure on the impact toughness and
The effect of microstructure on the impact toughness and the temper embrittlement of a SA508Gr 4N steel was investigated Martensitic and bainitic structures formed in
Get PriceEffect of repetitive impact on the mechanical strength of
Effect of repetitive impact on the mechanical strength of pyrolytic carbon Kepner J 1 Cao H Author information 1 CarboMedics Inc Austin TX 78752 USA Impact loading is experienced by mechanical heart valve components when the leaflet comes into contact with the housing orifice as the valve opens and closes during the cardiac cycle
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The Effect of Heat Treatment on the Mechanical
intercritical heat treatment on the mechanical properties of AISI 3115 stee l was investigated by Maleque 10 The experimental results showed that tensile strength increases but impact strength decreases with increasing intercritical temperature correspondingly with the increase in
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Improved Durability through Reactive Dispersant Technology
The dispersants are functionalized such that they become part of the continuous phase of the coating improving overall film integrity Application examples in both waterborne and solventborne formulations demonstrate the effects of reactive technology on mechanical
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Applications where impact strength is important Because impact strength denotes a material s brittle ductile transition 1 the parameter is significant for the following industries and applications Industrial plastics Polymers and plastics generally exhibit higher impact strength than other hard materials Knowing the impact strength of plastics allows manufacturers to classify the materials for specific
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Impact of Impurities on the Mechanical Strength of
Impact of Impurities on the Mechanical Strength of Multicrystalline Silicon En 26th European Photovoltaic Solar Energy Conference and Exhibition EU PVSEC 05/09/201109/09/2011 Hamburg Germany
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