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  • Potassium-based geopolymers have been observed to have great thermal stability, mainly due to the crystallization of kalsilite and/or leucite at high temperature as stated by V.F.F. Sakkas et al. Successfully produced a geopolymer based on potassium silicate, and with excellent passive fire-resistant properties and low thermal conductivity. After being exposed to thermal loading with a peak temperature of 1380 °C, the K-based geopolymer specimens showed no damage or visible deformations. X-ray i What is Potassium silicate?The feasibilities of consolidated samples with different potassium silicate solutions (K6, 6, and K5, five mol/L) and different additives (sands, carbonates, and the mix) were tested. All compounds can be easily made and are feasible with homogeneous aspects and the same brown–red color, regardless of their chemical composition, due to the presence of iron in the metakaolin used. A visual inspection of the heat-treated samples shows that every formulation can withstand Ni can dissolve high concentrations of alloying elements compared to other metals. Alloying elements increase mechanical strength via solid solution or precipitation strengthening. However, the solid solution strengthening effect of Cu is much lower compared to other elements. For example, in recently developed nanocrystalline Ni-Cu alloys both strength and ductility increased with Cu content by only 40% for Cu concentrations increasing by 5 times (from 6 to 32 wt.%). This was associated with gr The structure of aluminum boride is similar to that of intermetallic compounds, and its structure mainly depends on the crystal structure of aluminum metal and boron rather than their valence relationship. Aluminum borides are AlB2, AlB4, and AlB12. The diboride AlB2 can be formed by reacting two elemental substances above 600°C. It is a layered structure in which Al atoms directly overlap (A, A mode), and B atoms are filled in the triangular column formed by the direct overlap of Al atoms; that Because of the combination of high strength values, low coefficient of thermal expansion, and a relatively small modulus of elasticity, Si₃N₄ ceramic is particularly suited to thermal shock-stressed cutting tools such as indexable inserts. One application in which this combination of properties has proven particularly useful is machining cast iron materials – such as cast iron or grey cast iron – with high-performance ceramic cutting tools. In contrast to carbide metals or other cutting material Copper products exhibit good electrical conductivity as well as thermal conductivity. They are also ductile, resistant to corrosion, and have a high wear resistance. They are widely used by the energy, electronics, and petrochemicals industries. Metal Alloy High Purity Copper Plate, 8.92g/cm3, Surface: Brush, mirror, hairline, mill, shiny, oiled Dimension: Applications: Interior decoration: ceilings, walls, furniture, cabinets, and elevator decoraction. Payment & T Tungsten alloy heavy plate has low thermal expansion. It is also known for its high density, radiation resistance, thermal conductivity, and electrical conductivity. It is used widely in the aerospace and medical industries. About Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate: Powder metallurgy produces compact ingots from high purity tungsten. After powder metallurgy, a series further deformations are made and heat treatments are applied until the final products have been produ W-Ni - Cu alloy is used in the production of Tungsten alloy balls. It is widely utilized in the fields of aviation, oil drilling, and aerospace. High Density Tungsten Alloy Metal Ball, 18g/cm3: Diameter: 1.0mm-150.0mm Surface: sintered or forged Application: Electrical instrumentation and industrial purposes are also widely used. We have a wide range of sizes and grades in tungsten alloy. Contact us for any of your needs. Payment & Transport: Tungsten-nickel-copper/iron alloy is characterized by low thermal expansion, high density, radiation absorption and high thermal and electrical conductivity. It is widely utilized in the aerospace and medical industries. About High Density Tungsten Aloy Rod Grinding Surface: Tungsten-alloy rods are made primarily of tungsten alloyed with nickel, iron, or copper. Properties: Low thermal expansion and high density, with high thermal conductivity and electrical conductivity. Perfect p What is Amorphous Boron?Boron, with an atomic number 5 and denoted by the symbol B, is a metalloid element that is hard and highly heat-resistant. Boron has two allotropes in the form of amorphous and crystalline. High-purity Amorphous Boron powder is a brown-colored powder that is highly reactive compared to its crystalline counterparts. Boron, with an atomic number 5 and denoted by the symbol B, is a metalloid element that is hard and highly resistant to heat. Boron has two allotropes in the f

Reconditioning powder of 3D Printing Metal Powder

Metal 3D printing, and selective laser melting (SLM), combines the design flexibility of the 3D printing with some mechanical properties of high-performance metal alloys to create only, strong, and lightweight parts, even for the most complex applications. Powdered metals are often used to facilitate lubrication, corrosion resistance, or to create alloys. Some examples of metal powders commonly used in manufacturing products: Aluminum Powder – Its flammable properties make it ideal for fireworks

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What is 3D Printing Metal Powder

The global 3D printing metals market is growing and expected to reach $3.05 billion by 2025, according to a recent report by Grand View Research, Inc. However, to take full advantage of this growth and efficiently produce high-quality parts, powder producers, 3D printer manufacturers, and others will need to ensure the consistent, repeatable quality of the metal powders used in the process. In 3D printing applications, the metals involved include aluminum, stainless steel, copper, and precious m

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Optimizing powder quality of 3D Printing Metal Powder

What is 3D Printing Metal Powder?The global 3D printing metals market is growing and expected to reach $3.05 billion by 2025, according to a recent report by Grand View Research, Inc. However, to take full advantage of this growth and efficiently produce high-quality parts, powder producers, 3D printer manufacturers, and others will need to ensure the consistent, repeatable quality of the metal powders used in the process. In 3D printing applications, the metals involved include aluminum, stainl

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MSE PRO Nickel Titanium Metal Powder for Additive Manufacturing

What is Nickel Titanium?Nickel Titanium (also known as Nitinol™) is the class of materials known as the shape memory alloys. nitinol powder Specific surface area(m2/g) is 12.3, Ni-Ti alloy powder Volume density(g/cm3) is 0.15, nitinol powder Color is Black. Nitinol is used to manufacture catheter tubes, guidewires, stone retrieval baskets, filters, needles, dental files, archwires, and other surgical instruments (6). A particularly important use of Nitinol is in stents. Nitinol or Nickel Titaniu

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How to prepare 3D printing metal powder？|

Manufacturing industry is rapidly developing 3D technology. It has been dubbed "manufacturing technology of industrial revolution significance". Models, molds and parts are manufactured in aerospace, automobile, motorcycle, home appliance, biomedical, and other fields. Computer 3D models are the basis of 3D printers. It is a software-layered discrete CNC forming systems. It uses hot melt nozzles, laser beams, etc. To make metal powders, ceramic powders, plastic, cellular tissue, sand etc. The ma

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The 3D printing revolution that has upended modern manufacturing |

3D printing produces very little waste compared to traditional manufacturing methods that use material reduction. Also, the direct forming features of this manufacturing method reduces the amount of equipment needed in the production. Metal powder is used as the raw material in metal 3D-printing. Its properties have a strong relationship with the quality of final products. The main requirements for metal powder 3D-printing are chemical composition and particle shape. They also include particle s

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Metal prints--Not just decorations

Market ExpectationBuilding curtain wall technology embodies both engineering and artistic elements in its product form. Fluorocarbon-coated aluminum veneers have become an indispensable part of high-rise building curtain walls and interior decoration due to their excellent resistance against fading, corrosion, UV radiation cracking and weathering. However, fluorocarbon-coated aluminum veneers have several inadvertent drawbacks that cannot be avoided, including large pollution levels, increased e

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Elemental Boron is a metalloid

What is boron?Boron is a chemical element with the symbol B and atomic number 5. Its crystalline form is a brittle, dark, lustrous metalloid; in its amorphous structure, it is a brown powder. As the lightest element of the boron group, it has three valence electrons for forming covalent bonds, resulting in many compounds such as boric acid, the mineral sodium borate, and the ultra-hard crystals of boron carbide and boron nitride. Boron is synthesized entirely by cosmic ray spallation and superno

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CuO nanomaterials could also be used as good substitution for expensive noble metal cathode in dye solar cell

CuO nanomaterials could also be a good substitution for expensive noble metal cathodes in dye solar cells. This topic was first introduced by Anandan et al. In 2005, the optimal power conversion efficiency when using CuO nanorods as electrodes was 0.29% compared with 1.23% when using Pt as an electrode in the same condition, using CuO nanoneedles of the higher surface active area, Liu et al. They obtained an efficiency of 1.12% for TiO2-based dye solar cells. This result shows that nanomaterials

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Salt and Alkali Metal Solution of CuO

In principle, any soluble copper salt could be used as a precursor to prepare CuO nanostructures without much difference, or at least there seems to be no report on the influence of copper salt precursor. Various copper salts such as chloride, nitrate, sulfate, and acetate were used to prepare CuO nanomaterials. However, the effect of different copper salts should have been discussed in detail. However, the particle size and uniformity of copper nanoparticles crafted from copper acetate seem bet

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CuO categorized into transition metal oxide group

CuO, categorized into the transition metal oxide group, is a p-type, narrow bandgap semiconductor. It has a monoclinic structure and many exciting characteristics: superthermal conductivity, photovoltaic properties, high stability, and antimicrobial activity. Due to such exclusive properties, CuO can be used in many technological fields, for example, active catalysts, gas sensors, high-efficiency thermal conducting material, magnetic recording media with excellent selectivity, or solar cell appl

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MANUFACTURING PROCESS OF FOAM CONCRETE

What is foaming agent?The foaming agent is an indispensable component in the preparation of foam concrete by using prefabricated foams. This study used four types of foaming agents to prepare foam concrete. Effect of the foaming agent on the properties of fresh and hardened foam concrete, the interaction between the foaming agent and cement, and the gas–liquid interface in foam concrete were studied. It is observed that the interaction between foaming agents and cement played a more significant

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The Difference Between Activated Alumina and Modified Alumina |

Difference between activated and modified alumina Activated alu is a porous solid material that has a high surface area and is highly dispersed. The microporous nature of the surface makes it suitable for catalysis. It can also be used to carry catalysts and as chemical reaction catalysts. Activated alumina is highly active due to its porous structure, large specific area and unstable transition state. The petrochemical, fertilizer, and other industries use activated alumina as a gas liqui

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3D Printing Alloy Metal Materials Mold Steel Powder 18Ni300 Metal Powder

The spread of the novel coronavirus is taking a direct hit on the operations of airlines in Asia. About 500,000 flights taking off and landing in mainland China have been canceled since January, according to aviation information company Cerium. Touri

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What is the use of nickel hydroxide? How much do you know about nickel hydroxide?

The chemical formula of nickel hydroxide is Ni(OH)2, NiO·xH2O. Green hexagonal crystal. Slightly soluble in water, soluble in acid and ammonia, but insoluble in liquid ammonia.

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