beryllium oxide grades

Beryllium oxide

Beryllium oxide. Formula: Be 5 O 5; Molecular weight: 125.0579; IUPAC Standard InChI: InChI=1S/Be.O/q+2;-2 Copy. IUPAC Standard InChIKey: QRPNDIYNTUICCP-UHFFFAOYSA-N Copy; CAS Registry Number: 6; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file

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Beryllium

Beryllium oxide and hydroxide 2825.90.1000 3.7% ad val. Beryllium-copper master alloy 7405.00.6030 Free. Beryllium-copper plates, sheets, and strip: ... grades of aluminum, pyrolytic graphite, silicon carbide, steel, or titanium …

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Investigation of ITER candidate beryllium grades irradiated …

It has been confirmed, that fine-grained beryllium grades with high beryllium oxide content are less susceptible to swelling at high temperature irradiation. Beryllium grades TR-30 and TRR having the smallest grain size and the highest beryllium oxide content (3.2%), demonstrate the minimal swelling, which does not exceed 0.1% after the ...

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Impact of beryllium microstructure on the imaging and …

two most promising beryllium grades – O-30-H and IS-50M (Materion). These beryllium grades were chosen due to their distinctive differences in average Be grain size and beryllia content. IS-50M beryllium grade is designed specifically for X-ray imaging applications that must be radiographically artefact-free at X-ray energy levels down to 15 ...

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Beryllium oxide utilized in nuclear reactors: Part I: …

In the past 70 years, beryllium oxide has been studied extensively, but rarely been systematically organized. This article provides a systematic review of the application history, thermal properties, mechanical properties, corrosion behavior and fabrication methods of beryllium oxide. ... Here, UOX and AOX were two grades of BeO powder, …

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Use of Beryllium and Beryllium Oxide in Space Reactors

The average grain size of the investigated beryllium grades varied from 8 to 26 μm, the content of oxide in the beryllium varied from 0.9 to 3.9 wt%, the dispersity of the beryllium oxide ...

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Beryllium and Beryllium Compounds

Commercial grades of beryllium are refined exclusively by vacuum melting in beryllium oxide or magnesium oxide crucibles and casting in graphite ingot moulds. The melting of magnesium-reduced beryllium in a high vacuum produces a metal of a purity comparable to that of electrolytic beryllium. ... Rabbit: Of 55 rabbits that received 1–43 ...

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Impact of beryllium microstructure on the imaging and …

It was found that both beryllium grades have a strongly inhomogeneous structure, which inevitably produces speckle patterns under coherent illumination in imaging experiments. ... Small grains with a thick layer of beryllium oxide in beryllium type O-30-H produce a scattering pattern in a wider angular range and with greater intensity; whereas ...

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SAFETY DATA SHEET

Beryllium oxide Revision Date 02-Apr-2024 Component CAS No Weight % Beryllium oxide <=100 4. First-aid measures General Advice Show this safety data sheet to the doctor in attendance. Immediate medical attention is required. Eye Contact In the case of contact with eyes, rinse immediately with plenty of water and seek …

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Beryllium Oxide

Group 16 (O, S, Se, Te) Alkaline Earth Compounds. R.C. Ropp, in Encyclopedia of the Alkaline Earth Compounds, 2013 Beryllium Oxide. Beryllium oxide (BeO) is a white crystalline oxide.It occurs in nature as the mineral "Bromellite". Historically, beryllium oxide was called glucina or glucinium oxide. It is an electrical insulator and its thermal …

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Beryllium oxide

Beryllium oxide. Formula: Be 3 O 3; Molecular weight: 75.0347; IUPAC Standard InChI: InChI=1S/Be.O/q+2;-2 Copy. IUPAC Standard InChIKey: QRPNDIYNTUICCP-UHFFFAOYSA-N Copy; CAS Registry Number: 6; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file

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Beryllium high purity, pure metals | Institute for Rare Earths …

High purity (99,999%) beryllium (Be) sputtering target Beryllium is available as a metal and compounds with purities ranging from 99% to 99,999% (ACS grade to ultra high purity). High purity (99,999%) beryllium oxide (BeO) powder or metallic forms include pellets, rods, wires, and granules for sources of evaporation.

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Beryllium and Beryllium Compounds

Beryllium was discovered in 1798, but it did not become commercially important until the 1930s. Although more than 40 beryllium-bearing minerals are known, only two (beryl and bertrandite) currently are commercially important. Beryl (3BeO·Al 2 O 3 ·6SiO 2), which contains approximately 11% beryllium oxide (up to 4% beryllium), is the pre ...

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Beryllium oxide

Beryllium oxide. Formula: Be 6 O 6; Molecular weight: 150.0695; IUPAC Standard InChI: InChI=1S/Be.O/q+2;-2 Copy. IUPAC Standard InChIKey: QRPNDIYNTUICCP-UHFFFAOYSA-N Copy; CAS Registry Number: 6; Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file

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Beryllium Metallurgy | SpringerLink

High-quality beryllium oxide products can also be obtained for ores with high-impurity lithium and fluorine contents. The recovery rate of the product is 80–90%. ... Beryllium materials with different uses and grades can be prepared by purifying beryllium beads, controlling the chemical composition and particle size composition of beryllium ...

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Aluminum Nitride vs. Beryllium Oxide for High Power Resistor Products

Extensive study on the use aluminum nitride as an alternative to beryllium oxide for high power resistor and termination applications. Technical Feature. Aluminum Nitride vs. Beryllium Oxide for High Power Resistor Products. For the past few decades, beryllium oxide (BeO) has been the main substrate material used for RF …

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Mineral Resource of the Month: Beryllium

Beryllium oxide is used in global positioning systems and satellite radio and television. Medical lasers made with beryllium oxide ceramics are used in eye surgery. NASA's James Webb Space …

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Beryllium oxide utilized in nuclear reactors: Part I: …

In the past 70 years, beryllium oxide has been studied extensively, but rarely been systematically organized. This article provides a systematic review of the …

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Designing and Fabricating Ber

beryllium and beryllium oxide powder products and are also strongly committed to productivity improvement and cost control programs that will ... Thermal expansion as a function of temperature for two grades of beryllium across the temperature range of 100K to 450K. The thermal diffusivity of beryllium, 2.28 ft2/h (0.21 mz/h),

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beryllium oxide

beryllium oxide. beryllium oxide. Formula: BeO. Molecular weight: 25.0116. IUPAC Standard InChI:InChI=1S/Be.O Copy. IUPAC Standard InChIKey:LTPBRCUWZOMYOC-UHFFFAOYSA-N Copy. CAS Registry Number: . Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure …

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Beryllium Toxicity

Beryllium is typically used in industry as either a pure metal, beryllium oxide, or alloy. Beryllium oxide, in particular, is known for having a high heat capacity and is used primarily in select electronic equipment. Beryllium alloys can be divided into two categories: high beryllium content (up to 30% beryllium) and low beryllium content (2 ...

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Beryllium oxide

Beryllium oxide. Formula: Be 6 O 6; Molecular weight: 150.0695; IUPAC Standard InChI: InChI=1S/Be.O/q+2;-2 Copy. IUPAC Standard InChIKey: QRPNDIYNTUICCP …

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Beryllium Statistics and Information | U.S. Geological Survey

Beryllium oxide is an excellent heat conductor, with high strength and hardness, and acts as an electrical insulator in some applications. The United States, one of only three countries that process beryllium ores and concentrates into beryllium products, supplies most of the rest of the world with these products. ...

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Beryllium oxide | BeO | CID 14775

Beryllium oxide is a beryllium molecular entity consisting of beryllium (+2 oxidation state) and oxide in the ratio 1:1. In the solid state, BeO adopts the hexagonal wurtzite structure form while in the vapour phase, it is present as discrete diatomic covalent molecules. It has a role as a carcinogenic agent.

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CDC

Beryllium & beryllium compounds (as Be) Beryllium metal. Metal: A hard, brittle, gray-white solid. Metal: Noncombustible Solid in bulk form, but a slight explosion hazard in the form of a powder or dust. Acids, caustics, chlorinated hydrocarbons, oxidizers, molten lithium. Berylliosis (chronic exposure): anorexia, weight loss, lassitude ...

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Beryllium Mirrors: Refinements Enable New Applications

Four grades of Brush Wellman material are generally used for optics: O-30-H and I-70-H (optical grades), I-220-H and S-200-F (Table 1). ... When beryllium is directly polished, the result is a mirror surface comprising an extremely durable thin layer of beryllium oxide. This surface is harder than most of the overcoats used in conventional ...

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Properties: Beryllium Oxide

Although beryllia is a toxic ceramic in powder form, it has a number of properties that make it useful in industries ranging from electronics, to nuclear applications through to military and refractory applications.

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Electronic Structure and Properties of Beryllium …

Beryllium oxide (BeO) ceramics possess unique physicochemical properties and have great potential for electronic, nuclear, aerospace, electrotechnical, and other advanced …

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Beryllium—A Critical Mineral Commodity—Resources, …

Hengsheng Beryllium Industry Co., Ltd.'s refinery, located in Fuyun in the northwest section of the Xinjiang Uygur Autonomous Region, was designed to produce 100 t/yr of beryllium oxide and 800 t/yr of beryllium-copper master alloy. Estimates in 2015 indicated that China produced about 65 t of beryllium contained in beryllium-

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Beryllium Metals Enable Technologies in Extreme …

Our instrument grades of beryllium metal are ideal for decreasing the weight of instrumentation in aircraft and satellites. They have high micro-yield strength, which allows instrumentation to maintain its form when exposed to stress. I-70-H beryllium metal is stable over a range of temperatures -196°C to 226°C /-321°F to 440°F and offers ...

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