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cost of refractory materials ratio

  • Chromite—A cost-effective refractory raw material for ...

    2011-3-3 · refractory materials are based. Table II: Refractory oxides Oxide Melting point (°C) Classification Silica SiO2 1728 Acid refractory Alumina Al2O3 2010 Chrome Cr2O3 2265 Zirconia ZrO2 2670 Neutral refractory Lime CaO 2614 Magnesia MgO 2800 Basic refractory Of these oxides, chrome in the form of chromite is the most cost effective.

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  • Business Analysis of Total Refractory Costs

    Refractory materials, design, and maintenance can improve or degrade energy efficiency and melt rate. In addition, the cost of refractory is typically the largest maintenance expense of a melt or ...

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  • Chapter 3, Steel Plant Refractories

    2010-9-29 · Refractory materials Fig. 3.1 Refractory and industrial materials melting point chart. ... Subsequent discussion will show, however, that the use of many such materials is limited by factors such as cost or instability in cer-tain atmospheres. Also, fluxes present in the initial impure refractory and/or encountered in ser- ... 2 ratio has less ...

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  • Variation of Poisson's ratio of refractory materials with ...

    2011-9-1 · The investigations included several types of porous refractory materials e.g. magnesia, magnesia–spinel, magnesia–chrome, chrome–magnesia, mullite, silica and low cement chamotte castable. The Poisson's ratio value of the examined materials decreased after each thermal shock.

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  • (PDF) Variation of Poisson's ratio of refractory

    2009-8-31 · wetting with carbon materials. Even with suitable filler metal, brazing normally requires special surface treat-ment, adding to the time and cost of joining. Thus, it is not surprising that there are only a few studies specifi-cally concerning the bonding of C–C composites with a refractory layer.5–9

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  • Development of Refractory Materials for Ladle Lining

    1982-1-1 · ‘Breaking or cracking of refractory brick in service, to such an extent that pieces are separated or fall away, leaving new surfaces of the brick exposed’ (ASTM definition). Specific heat. The ratio between the amounts of heat required to raise the temperature of unit mass of a substance and of unit mass of water through one degree. Stretcher.

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  • Combustion joining of refractory materials:

    2019-6-2 · Guniting of refractory materials has evolved in importance with modern steelmaking technology, and largely because of it. Guniting was seen by farsighted steelmakers as the only practical means of maintaining the steelmaking furnaces, particularly of countering the grossly uneven wear sustained by the linings.

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  • Global Basic Refractory Materials Market Analysis

    2021-5-24 · The leading players of Basic Refractory Materials Market and their geographical presence across the globe are estimated based on production capacity, utilization ratio…

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  • Applications of Compliance to Cost Ratio (C-CR)

    The scarcity of housing increases as population continues to rise all over the world. Despite government efforts at providing houses, yearly demand keeps on exceeding available houses and hence the hike in rent, the cost of erecting houses and the cost of building materials. This ultimately calls for a decisive solution. This study therefore applied compliance to cost ratio (C-CR) analysis in ...

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  • Combustion synthesis of refractory and hard materials: A ...

    2013-10-15 · Review Combustion synthesis of refractory and hard materials: A review Guanghua Liu a,⁎, Jiangtao Li a,⁎⁎, Kexin Chen b a Technical Institute of Physics and Chemistry, Key Laboratory of Functional Crystals and Laser Technology, Chinese Academy of Sciences, Beijing 100190, China b Department of Materials Science and Engineering, State Key Laboratory of New Ceramics and Fine …

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  • Cost-Effectiveness of Transjugular Intrahepatic ...

    Purpose: To compare relative cost-effectiveness of serial large-volume paracentesis (LVP) and transjugular intrahepatic portosystemic shunt (TIPS) creation for treatment of refractory ascites. Materials and methods: A decisional Markov model was developed to estimate payer cost and quality-adjusted life-ears (QALYs) associated with LVP and TIPS treatment strategies for cirrhotic patients with ...

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  • Dolomite Bricks, Dolomite Refractory Bricks, Fire Bricks ...

    2020-1-20 · Dolomite Refractory Bricks, Fire Bricks Manufacturing Plant, Detailed Project Report, Profile, ... addition process to materials. Dolomite refractories are currently in use in some countries such as China, France, England India etc. ... Profit Volume Ratio (PVR) Fixed Expenses Cost

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  • Success Story: CORNET project Opti-WCR › CORNET

    Refractory users increasingly prefer to employ refractory castables because they are so easy to install and therefore cost-effective. Furthermore, relining is quick and only interrupts production for a short period of time. Refractory castables already form 40 % of the overall market for refractories.

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  • Glossary - Manufacturing Cost Estimation

    The remelt ratio is the allowable amount of remelt relative to virgin material. The scrap used for remelt can be generated from the mold runners and defective parts. The cost to remelt this material may include both equipment and labor, but should be less than the cost of raw material.

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  • High Alumina Cement Manufacturing - RS Refractory

    2020-5-27 · High alumina cement is also called aluminate cement, commonly known as bauxite cement, the raw material is bauxite and lime, according to a certain proportion of configuration after calcination and grinding of the water hard cementitious material, can be used in refractory castable as binder. High alumina cement supply, used for emergency repair projects and special projects requiring high ...

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  • Natural-mixing guided design of refractory high

    2020-8-24 · A refractory high-entropy alloy was designed with the composition chosen based on the natural-mixing characteristics among refractory elements; this …

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  • High Temperature Thermal Insulation Materials - RS ...

    At last, based on the application methods, some materials can be used directly close to fire, while the others can’t. Due to the requirement of energy conservation, the rapid development of insulating refractory, and different factors that affect the insulation performance, such as the apparent and closed porosity, bulk density, as well as the true density, etc.

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  • Global Basic Refractory Materials Market Analysis

    2021-5-24 · The leading players of Basic Refractory Materials Market and their geographical presence across the globe are estimated based on production capacity, utilization ratio…

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  • Creation of High-Efficiency Promising Refractory

    2018-3-6 · The required volume of refractory materials would have to be determined for this purpose. The volume of the materials should occupy 5 – 6% of the total volume of the masonry, the cost will be comparatively low, and the cost of the lining will increase 1.5 – 2.0-fold.

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  • Combustion joining of refractory materials:

    2009-8-31 · wetting with carbon materials. Even with suitable filler metal, brazing normally requires special surface treat-ment, adding to the time and cost of joining. Thus, it is not surprising that there are only a few studies specifi-cally concerning the bonding of C–C composites with a refractory layer.5–9

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  • Refractory - Kerneos Inc

    Kerneos™ offers the full range of calcium aluminate cement, allowing the refractory formulator to benefit from formulation strategies designed to maximize the cost benefit ratio. In North America, Kerneos™ manufactures six refractory cements with alumina content (purity level) ranging from 40% to 80%.

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  • Dolomite Bricks, Dolomite Refractory Bricks, Fire Bricks ...

    2020-1-20 · Dolomite Refractory Bricks, Fire Bricks Manufacturing Plant, Detailed Project Report, Profile, ... addition process to materials. Dolomite refractories are currently in use in some countries such as China, France, England India etc. ... Profit Volume Ratio (PVR) Fixed Expenses Cost

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  • Special refractory materials to withstand at high ...

    2014-4-11 · The refractory materials should be able to withstand at high temperature/sudden changes of temperature, load at service conditionsRefractory concretes are by definition materials which are resistant to high temperatures, mechanical stress, and thermal stress, chemical and abrasive attack. They are designed for specific applications predominately in the metal industry, but are also used ...

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  • Success Story: CORNET project Opti-WCR › CORNET

    Refractory users increasingly prefer to employ refractory castables because they are so easy to install and therefore cost-effective. Furthermore, relining is quick and only interrupts production for a short period of time. Refractory castables already form 40 % of the overall market for refractories.

    Get Price
  • Natural-mixing guided design of refractory high

    2020-8-24 · A refractory high-entropy alloy was designed with the composition chosen based on the natural-mixing characteristics among refractory elements; this …

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  • Guniting Refractory Maintenance and Guniting

    2019-6-2 · Guniting of refractory materials has evolved in importance with modern steelmaking technology, and largely because of it. Guniting was seen by farsighted steelmakers as the only practical means of maintaining the steelmaking furnaces, particularly of countering the grossly uneven wear sustained by the linings.

    Get Price
  • Cost-Effectiveness Analysis of Tisagenlecleucel in the ...

    In the case of tisagenlecleucel, the main cost determinant was the pharmacological cost while, in the case of FLA-IDA, it was the cost derived from HSCT . Taking these results into account, an incremental cost-effectiveness ratio (ICER) of € 25,576.80/LYG and an incremental cost-utility ratio (ICUR) of € 28,818.52/QALY was estimated.

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  • Evaluation of Cost Effectiveness of Onibode Fire-Clay for ...

    2021-5-28 · The leading players of Refractory Materials Market and their geographical presence across the globe are estimated based on production capacity, utilization ratio…

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  • Refractory Materials Market Status and Trend Analysis

    2021-5-28 · The leading players of Refractory Materials Market and their geographical presence across the globe are estimated based on production capacity, utilization ratio…

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  • Recent trends intheapplication andtechnology of

    2009-8-26 · anddecreased refractory cost. Refractory materials havecertain limitations, andwhentheselimitations areknown thevariables inoperating practice havingthegreatest impact onrefractory lifecanbecontrolled. Themostimpor-tant factors to beclosely controlled areporosity, chemical constitution ofrefractory materials, slag basicity,

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  • Mullite Refractory Castable - Refractory Materials For

    Mullite Refractory Castable Introduction. The mullite refractory castable is made of excellent porous mullite aggregate,refractory castable is stirred with fine powder and additives. The material ratio can be adjusted according to the actual use of the boiler to carry out customized production.

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  • Combustion joining of refractory materials:

    Refractory materials such as carbon possess properties that make joining them difficult. In this work, bonding of a carbon–carbon composite is achieved by employing self-sustained, oxygen-free, high-temperature combustion reactions. ... composites have low density and a high strength-to-weight-ratio, and are able to withstand high ...

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  • Refining Slag for the LF Refining Furnaces - hy

    2021-4-26 · The sintered refining slag is more uniform, stable, and melts faster than the mixed type. But the cost is relatively increased. And because the density of sintered slag is small and there are many pores, it is easy to cause suction during refining. (3) Pre-melted refining slag Pre-melting refining slag is after mixing raw materials in proportion.

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  • Sand Machinery Used in Refractory Materials -

    2019-9-26 · The sand machinery is suitable for crushing soft or medium hard or extremely hard materials. It is widely used in various ores, cement, refractory materials, aluminum earth clinker, corundum, glass raw materials, etc. In the engineering field, the sand machinery is a piece of ideal production equipment for asphalt concrete and cement concrete aggregates.

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  • Introduction to Composite Materials - ASM International

    2013-11-24 · ratio, and thermal expansion coefficient. Bulk materials, such as metals and polymers, are normally treated as isotropic materials, while composites are treated as anisotropic. However, even bulk materials such as metals can become anisotropic––for example, if they are highly cold worked to produce grain alignment in a certain direction.

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  • Cost-utility analysis of pralatrexate for relapsed or ...

    2020-11-26 · Patients with relapsed or refractory peripheral T-cell lymphoma (R/R PTCL) treated with pralatrexate have previously shown superior overall survival (OS) compared to those who underwent conventional chemotherapy (CC, 15.4 vs. 4.07 months). We conducted an economic evaluation of pralatrexate from a societal perspective in Korea based on data from the PROPEL phase II study.

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  • Refractory cement manufacturer, Calcium silicate

    2021-3-17 · Refractory castable R&D, production technology expert, with 28 years of industry experience, good at the proportioning and construction of refractory castables, such as rotary kilns, CFB boilers, and garbage incinerators.

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  • Refractory Materials Market Status and Trend Analysis

    2021-5-28 · The leading players of Refractory Materials Market and their geographical presence across the globe are estimated based on production capacity, utilization ratio…

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  • Industrial Refractory Materials Market 2021-2026

    2021-4-12 · The ' Industrial Refractory Materials Market' research report added by Market Study Report, LLC, delivers a comprehensive analysis on the newest market drivers. The report also offers extracts regarding statistics, market valuation and revenue estimates, which further strengthens its status in the competitive spectrum and growth trends embraced by leading manufacturers in the business.

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  • A Study of Selected Kenyan Anthill Clays for Production

    2017-9-12 · of Refractory Materials . Janet J. Kipsanai1, Saul S. Namango 2, ... for the operators to meet production requirements at the lowest possible cost. High quality refractory at a cheaper cost is the main requirement. The aim of this study to find out the possibility of using Kenyan was ... and mortar until a suitable ratio for coarse particles to

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  • Thermodynamic Modeling and Experimental Investigation

    2020-12-3 · for evaluation based on refractory composition (Table 2). Specifically, the composition was selected to evaluate the effect of replacing SiO 2 by CaO to increase the corrosion resi stance of refractory materials. R1is a high Al 2 O 3 /SiO 2 ratio refractory with low content of CaO. It is a low cement refractory with Al non-wetting properties.

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  • Natural-mixing guided design of refractory high

    2020-8-24 · A refractory high-entropy alloy was designed with the composition chosen based on the natural-mixing characteristics among refractory elements; this …

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  • Study Evaluating the Cost of the Treatments of the ...

    2006-3-15 · Overall cost per participant per month was evaluated as part of health economics evaluation to quantify burden of Refractory PsA and its treatment, resources absorbed by the disease and its care into monetary terms. Overall cost was defined as sum of direct and indirect costs (productivity losses).

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  • Life Cycle Assessment and Life Cycle Cost Analysis of ...

    Sustainable use of natural resources in the production of construction materials has become a necessity both in Europe and Turkey. Construction products in Europe should have European Conformity (CE) and Environmental Product Declaration (EPD), an independently verified and registered document in line with the European standard EN 15804. An EPD certificate can be created by performing a Life ...

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  • Shanghai United Metal materials Co., Ltd - MIM | PM

    2020-12-2 · BRM is specialized in metallic materials and serves for emerging industries of strategic importance. it provides its high-end global customers with the advanced metallic materials, products and solutions to their materials technology problems in businesses covering Metallurgy, Magnetic Materials, Amorphous, Nano-crystalline products, Refractory materials & products, filtration materials ...

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  • Obidiegwu, E., Esezobor, D., Agunsoye, J. and Lawal, G ...

    Obidiegwu, E., Esezobor, D., Agunsoye, J. and Lawal, G. (2015) Enhancement of Insulating Refractory Properties of Selected Nigerian Fire-Clays Using Coconut Shell ...

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