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  • 1
    Electronic Resource
    Electronic Resource
    Interfacial Characteristics and Wear Resistance of WCp/White-Cast-Iron Composites (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 26-28 (Oct. 2007), p. 293-296 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: To improve the wear resistance of high chromium white cast iron under severe abrasiveconditions, a composites layer was designed for wear surface, which were locally reinforced with WCparticles. And the local composites were successfully fabricated by optimized centrifugal castingprocess. Then the interface between WC and iron matrix was analyzed with scanning electronmicroscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and X-ray diffraction (XRD). Andthree body wear tests were carried out on a self-made rig to investigate the wear resistance of thecomposites. For comparison, the wear tests of high chromium white cast iron were also carried outunder the same conditions. The results show that: There are no defects such as inclusion, crack, gaspore and so on in the obtained composites layer, which with a uniform thickness of 10 mm. WCparticles are homogeneously distributed in the composites layer and tightly bonded with the ironmatrix. The WC particles are partially dissolved in the iron matrix during centrifugal casting. Theelements W, C and Fe react to form new carbides such as Fe3W3C or M23C6, which precipitate aroundformer WC particles during subsequent solidification. So the interface between WC particles and theiron matrix is a strong metallurgical bonding. WC particles in the composites layer can effectivelyresist cutting by the abrasive, and then protect the matrix. The wear resistance of the composites layeris 7.23 times of that of high chromium cast iron
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.26-28.293.pdf
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  • 2
    Electronic Resource
    Electronic Resource
    Wear Resistant of Al〈sub〉2〈/sub〉O〈sub〉3〈/sub〉/Heat-Resistant Steel at High Temperature (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 280-283 (Feb. 2007), p. 1119-1122 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The high temperature abrasive wear resistant of the composites with different Al2O3volume fractions, particle coating and size were investigated and the failure action of composites under different conditions at high temperature was analyzed. The results showed that the high temperature abrasive wear resistant of composite with Ni coating and wide size and 39% volume fraction of particle is the best among all composites examined
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/49/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.280-283.1119.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Fabrication of TiC Particles Reinforced Hadfield Steel Matrix Composite and its Wear-Resistance (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 1442-1444 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The TiC particles are selected as reinforced phase and the Hadfield steel as matrix. The powdermetallurgy liquid phase sintering technique is adopted to fabricate TiC particles reinforced Hadfield steelmatrix composites. The effects of elements Mo and Ni on the performance of the composites were studied.The impact wear tester is adopted to investigate the wear-resistant property of the composites under thedifferent impact loads. Adding Mo can improve the interfacial bonding between the Hadfield steel andTiC, and the best adding ratio between Mo and TiC is 1:3.68. Adding 2%(vol.%)Ni can significantlyimprove the density and hardness of the composites. The experiment results of impact wear tests showthat under the condition of low and middling loads, the composites display the best wear-resistantproperties, moreover, the more TiC content is, the better wear-resistance property is. Under 2.0J impactenergy, the wear resistance of the composite containing 40%(vol.%) TiC is 1.3 times of Hadfield steel
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.1442.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Wear Behavior of Plasma Sprayed Ni-WC Composite Coatings (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 1731-1733 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Seal materials often lose their effectiveness due to the wear of surface under the combinedeffect of environment and load. In this research, a metallurgical bonding composite coating reinforcedwith nickel -coated tungsten carbide (Ni -WC) particles was produced on 40Cr carbon steel substrate byplasma sprayed. The bond strength of the coating/substrate interface and the tensile strength of the coatingitself reached 260–330 and 100–132MPa, respectively. Effects of Ni and WC contents on the wearbehavior of the coating have been systematically investigated at two different wear conditions, namely thehigh stress pin-on-disk abrasion and three-body abrasive wear. The results show that the higher the Nicontent in the coating, the lower the hardness and wear resistance. In stress pin-on-disk abrasive wear, themass percent of Ni in the coating having the lowest wear amount was 40%, and which was 60% inthree-body abrasion. In view of the above, the WC reinforcement of the composite coating plays animportant role in protecting the matrix from being worn-out, whereas in the abrasive wear, the wearmechanism is mainly controlled by the scratching and micro-cutting of the matrix followed by the pull outof WC particles due to the scratching action of abrasives. The wear resistance of the 40Cr carbon steelcomposite coating (Ni -WC) is better than that of the flame overlaid coating
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.1731.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Manufacture and Microstructures of Fe-Cr-C Hypereutectic In Situ Composites (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 1406-1408 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In the present study, a Fe-Cr-C hypereutectic alloy was prepared from industry-grade materialsand subjected to modification and fluctuation, through which new types of particle reinforced composites,hypereutectic in-situ composite, was generated. The structures of the composite modified or not with therange of fluctuation addition from 0% to 2.8wt.%, were investigated. The primary carbides were refinedwith the addition of modifying agents and fluctuations. Increasing the amount of fluctuation resulted infiner primary carbides. At 1380oC, with the addition of modifying agents and 2.8wt.% fluctuationaddition, the structure was well modified
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.1406.pdf
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  • 6
    Electronic Resource
    Electronic Resource
    Preparation of Warm Compacted and Sintered WC/Carbon Steel Composite and its Wear-Resistance (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 336-338 (Apr. 2007), p. 1342-1345 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The WC particulates (0.076mm~0.100mm in size) and carbon steel (0.45wt% C) are selectedas a reinforced phase and matrix in the composites. The techniques of warm compaction aresystematically investigated with powder metallurgy solid phase sintering method. The performance ofsliding friction wear of the composites is tested on a pin on disk tester. The test results of warmcompaction show that the composites sample containing 50% WC and 50% steel possesses the perfectcompaction density (9.4362g/cm3) and the relative density reaches 91.6% under the condition of 140°Ccompaction temperature, 320KN stress, and lubricated with zinc stearate. The results of wear test showthat the composite sample under the condition of warm compaction gains the best wear property, and therelative wear resistance is the 2.9 times of 15Cr cast iron, 2.6 times of 20Cr cast iron and 2.8 times of thecomposite sample under the condition of room temperature compaction. And the wear mechanism of theparticle-reinforced composites is analyzed using SEM
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/53/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.336-338.1342.pdf
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  • 7
    facet.materialart.
    Unknown
    A new hybrid inorganic sorbent for heavy metals removal (1995)
    Elsevier
    Details
    Publication Date: 1995-09-01
    Print ISSN: 0043-1354
    Electronic ISSN: 1879-2448
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Elsevier
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