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improvement of the alkali corrosion resistance and

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  • Improvement of Wear Pitting Corrosion Resistance and

    It is worth mentioning that the corrosion resistance could be characterized by the parameter of polarization resistance at the corrosion potential (R pol). Values of R pol for Al and Ti-coated samples were calculated using Equation (2) under EEC2 (Model 1) in Figure 7c 58 59 60 61 62 63 .

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  • The improvement of corrosion resistance biocompatibility

    A magnesium scaffold is a promising biodegradable bone repair material. However its poor corrosion resistance limits its clinical application. In this study we improved the corrosion resistance biocompatibility and osteointergration ability of magnesium by alloying it

    Get Price
  • Improvement of the corrosion resistance and structural and

     · Improvement of the corrosion resistance and structural and mechanical properties of a titanium base alloy by thermo-mechanical processing. V. D. Cojocaru Faculty of Materials Science and Engineering Politehnica University Spl. Independentei 313 060042 Bucharest (Romania)

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  • Methods for Improving the Resistance of Refractory

     · In order to improve the alkali corrosion resistance of refractories in addition to the main components certain additional components have also been introduced into the refractory system. This is because on the one hand the addition of ingredients can increase the densification of the material during the sintering process and reduce the

    Get Price
  • The improvement of corrosion resistance biocompatibility

    A magnesium scaffold is a promising biodegradable bone repair material. However its poor corrosion resistance limits its clinical application. In this study we improved the corrosion resistance biocompatibility and osteointergration ability of magnesium by alloying it

    Get Price
  • Improvement of the Tribological Properties and Corrosion

    In order to meet the requirements of high corrosion resistance wear resistance and self-lubrication of composite coatings for marine applications epoxy matrix composite coatings containing PTFE and TiO2 nanoparticles were prepared on the steel substrate. With silane coupling agent KH570 (CH2=C(CH3)COOC3H6Si(OCH3)3) titanium dioxide nanoparticles were modified and organic

    Get Price
  • Mechanical Properties Corrosion Resistance and

    Titanium and its alloys are among the most promising biomaterials for medical applications. In this work the isothermal oxidation of Ti-6Al-7Nb biomedical alloy towards improving its mechanical properties corrosion resistance and bioactivity has been developed. The oxide layers were formed at 600 700 and 800 °C for 72 h. Scanning electron microscopy (SEM) energy dispersive spectroscopy

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  • Corrosion Resistance of Selected Ceramic Materials to

    mental engineering data on the corrosion resistance of candidate materials under a variety of conditions are necessary. This report presents the results of tests to evaluate the resistance of eight commercially available ceramic materials (two red shale two fireclay a carbon a silica a clay-bonded silicon carbide

    Get Price
  • Research on the Alkali Corrosion Resistance Mechanism of

    In allusion to facility corrosion problem in caustic soda industry five types of ni-Cr-cu alloy cast irons were developed. The corrosion rates of ni-Cr-cu alloy cast irons in hot concentrated alkali solution were measured by using self-made dynamic corrosion experiment equipment the microstructures and surface corrosion morphology of alloy cast irons were observed by means of the optical

    Get Price
  • The improvement of corrosion resistance biocompatibility

    A magnesium scaffold is a promising biodegradable bone repair material. However its poor corrosion resistance limits its clinical application. In this study we improved the corrosion resistance biocompatibility and osteointergration ability of magnesium by alloying it

    Get Price
  • Improvement of wear and corrosion resistance of ferrous

    leads to a significant improvement of the corrosion resistance of iron-based materials 6 . The residual open porosity of the oxidised layer 7 presenting a plurality of small pores has no detrimental effects on corrosion resistance since it could favour the retention of lubricant fluids which could further increase wear resistance 8 .

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  • Improvement of Corrosion Resistance by Surface Treatment

    The resistance of pitting and Strees Corrosion Cracking (SCC) of SUS 304 in chloride solution was improved remarkably by using Chromize. Application of Cu/Ni composite plating on SUS 304 improved crevice corrosion and SCC. And Ni-Fe-Cr-Mo layer which was produced by diffuision heat treatment after Ni plating on high purity ferritic stainless

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  • Material Corrosion Resistance GuideFluid Technology

     · the corrosion resistance. This feature is particularly desirable where both extreme corrosion resistance and high flame resistance are required. Extra strength is built into all Hartzell fiberglass fans by the use of heavy flanges extra glass tape joints and extra glass reinforcing. In

    Get Price
  • Improvement of the Tribological Properties and Corrosion

    In order to meet the requirements of high corrosion resistance wear resistance and self-lubrication of composite coatings for marine applications epoxy matrix composite coatings containing PTFE and TiO2 nanoparticles were prepared on the steel substrate. With silane coupling agent KH570 (CH2=C(CH3)COOC3H6Si(OCH3)3) titanium dioxide nanoparticles were modified and organic

    Get Price
  • The Improvement of Hardness and Corrosion Resistance of

    By using the methods of XRD SEM/EDS electrochemical polarization and a weight loss test the effects of the rare earth salt CeCl3 on the adherence hardness porosity and corrosion resistance of an electroplated Pd-Ni film on 316L stainless steel were studied. The results showed that by adding 1.0 g L−1 CeCl3 in the plating bath the obtained Pd-Ni film was obviously improved.

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  • Improvement of alkali resistance of glass fiber from

     · The corrosion of shell thickness of higher ZrO 2 content fiber increased at a slower rate according to its higher alkali resistance. The excess addition of ZrO 2 content up to 10 wt in glass composition resulted in an increase of brittleness and weakness of the fiber caused by a defect from undissolved ZrO 2 crystal in a fiber and its

    Get Price
  • The improvement of corrosion resistance biocompatibility

    A magnesium scaffold is a promising biodegradable bone repair material. However its poor corrosion resistance limits its clinical application. In this study we improved the corrosion resistance biocompatibility and osteointergration ability of magnesium by alloying it

    Get Price
  • Improvement on the pitting corrosion resistance of 304

    A remarkable improvement in the pitting corrosion resistance of 304 stainless steel was attempted using a novel duplex passivation treatment method. First chemical passivation in nitric acid followed electrochemical passivation via potential polarization of step cycling in sodium nitrate electrolyte.

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  • OPTIMIZATION OF THE CORROSION BEHAVIOR OF

     · Hot corrosion The tests of the alkali vapour resistance of the re-fractory samples were done according to ASTM C987 24 . This testing procedure is usually applied for deter-mination of corrosion resistance of the refractories of the glass melting furnaces by using Na 2 CO 3 as an alka-li vapour source. The samples with 5 g Na 2 CO 3 (J. T

    Get Price
  • Improvement of Wear Pitting Corrosion Resistance and

    In this study a compact cold sprayed (CS) Ti coating was deposited on Mg alloy using a high pressure cold spray (HPCS) system. The wear and corrosion behavior of the CS Ti coating was compared with that of CS Al coating and bare Mg alloy. The Ti coating yielded lower wear rate compared to Al coating and Mg alloy. Electrochemical impedance spectroscopy (EIS) and cyclic potentiodynamic

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  • OPTIMIZATION OF THE CORROSION BEHAVIOR OF

     · Hot corrosion The tests of the alkali vapour resistance of the re-fractory samples were done according to ASTM C987 24 . This testing procedure is usually applied for deter-mination of corrosion resistance of the refractories of the glass melting furnaces by using Na 2 CO 3 as an alka-li vapour source. The samples with 5 g Na 2 CO 3 (J. T

    Get Price
  • Material Corrosion Resistance GuideFluid Technology

     · the corrosion resistance. This feature is particularly desirable where both extreme corrosion resistance and high flame resistance are required. Extra strength is built into all Hartzell fiberglass fans by the use of heavy flanges extra glass tape joints and extra glass reinforcing. In

    Get Price
  • Improvement of wear and corrosion resistance of ferrous

    leads to a significant improvement of the corrosion resistance of iron-based materials 6 . The residual open porosity of the oxidised layer 7 presenting a plurality of small pores has no detrimental effects on corrosion resistance since it could favour the retention of lubricant fluids which could further increase wear resistance 8 .

    Get Price
  • Methods for Improving the Resistance of Refractory

     · In order to improve the alkali corrosion resistance of refractories in addition to the main components certain additional components have also been introduced into the refractory system. This is because on the one hand the addition of ingredients can increase the densification of the material during the sintering process and reduce the

    Get Price
  • Corrosion Resistance of Selected Ceramic Materials to

    mental engineering data on the corrosion resistance of candidate materials under a variety of conditions are necessary. This report presents the results of tests to evaluate the resistance of eight commercially available ceramic materials (two red shale two fireclay a carbon a silica a clay-bonded silicon carbide

    Get Price
  • OPTIMIZATION OF THE CORROSION BEHAVIOR OF

     · Hot corrosion The tests of the alkali vapour resistance of the re-fractory samples were done according to ASTM C987 24 . This testing procedure is usually applied for deter-mination of corrosion resistance of the refractories of the glass melting furnaces by using Na 2 CO 3 as an alka-li vapour source. The samples with 5 g Na 2 CO 3 (J. T

    Get Price
  • Research on the Alkali Corrosion Resistance Mechanism of

    In allusion to facility corrosion problem in caustic soda industry five types of ni-Cr-cu alloy cast irons were developed. The corrosion rates of ni-Cr-cu alloy cast irons in hot concentrated alkali solution were measured by using self-made dynamic corrosion experiment equipment the microstructures and surface corrosion morphology of alloy cast irons were observed by means of the optical

    Get Price
  • Improvement of Corrosion Resistance of Steels by Surface

     · application method for improvement of corrosion resistance together with wear resistance hardness and working live of metals and alloys. This is very important for the carbon steels as the most widely used engineering material accounts more than 80 of the annual world steel production. Despite its relatively limited corrosion resistance carbon steel has a wide

    Get Price
  • Research on the Alkali Corrosion Resistance Mechanism of

    In allusion to facility corrosion problem in caustic soda industry five types of ni-Cr-cu alloy cast irons were developed. The corrosion rates of ni-Cr-cu alloy cast irons in hot concentrated alkali solution were measured by using self-made dynamic corrosion experiment equipment the microstructures and surface corrosion morphology of alloy cast irons were observed by means of the optical

    Get Price

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Rongsheng's main products are various types of unshaped refractory products, which are widely used in metallurgy, nonferrous metals, building materials, electric power, petrochemical and other industries.

Rongsheng pays attention to technological innovation and product research and development, and has established close cooperative relations with many universities and scientific research institutes.

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