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Description: Strip, Coil, Foil & Wire, ASTM F-15 APPLICATIONS Alloy 29-17 (Kovar®) has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. This alloy has found wide use in application where high reliability is a necessity. In power tubes, microwave tubes, transistors,
- Tensile Strength (UTS, Break): 75,000 psi
- Yield Strength (YS): 49,000 psi
- Elongation: 42 %
- UNS Number: 94,610
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Supplier: Ed Fagan, Inc.
Description: ASTM F-15 Alloy, commonly known as Kovar, is a controlled expansion alloy consisting of 29% Nickel, 17% Cobalt, and balance Iron. Kovar is produced to ensure good properties for machining and deep drawing as well as porosity free product. Its expansion characteristics match both
- Overall Width / OD: 0.005 to 2 inch
- UNS Number: 94,610 to 94,630
- UNS G Number: 94,610 to 94,630
- Specifications: AMS, ASTM / ASME, MIL-SPEC / Federal (QQS), UNS
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Supplier: Ed Fagan, Inc.
Description: ASTM F-15 Alloy, commonly known as Kovar, is a controlled expansion alloy consisting of 29% Nickel, 17% Cobalt, and balance Iron. Kovar is produced to ensure good properties for machining and deep drawing as well as porosity free product. Its expansion characteristics match both
- Overall Width / OD: 0.02 to 0.12 inch
- UNS Number: 94,610 to 94,630
- UNS G Number: 94,610 to 94,630
- Specifications: AMS, ASTM / ASME, MIL-SPEC / Federal (QQS), UNS
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Supplier: Ed Fagan, Inc.
Description: ASTM F-15 Alloy, commonly known as Kovar, is a controlled expansion alloy consisting of 29% Nickel, 17% Cobalt, and balance Iron. Kovar is produced to ensure good properties for machining and deep drawing as well as porosity free product. Its expansion characteristics match both
- Overall Width / OD: 0.125 to 6 inch
- UNS Number: 94,610 to 94,630
- UNS G Number: 94,610 to 94,630
- Specifications: AMS, ASTM / ASME, MIL-SPEC / Federal (QQS), UNS
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Supplier: Ed Fagan, Inc.
Description: ASTM F-15 Alloy, commonly known as Kovar, is a controlled expansion alloy consisting of 29% Nickel, 17% Cobalt, and balance Iron. Kovar is produced to ensure good properties for machining and deep drawing as well as porosity free product. Its expansion characteristics match both
- Overall Width / OD: 0.003 to 0.07 inch
- UNS Number: 94,610 to 94,630
- UNS G Number: 94,610 to 94,630
- Specifications: AMS, ASTM / ASME, MIL-SPEC / Federal (QQS), UNS
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Supplier: 3X Ceramic Parts Company Limited
Description: conductor , sometimes we use Kovar and Copper Cored Kovar, sometimes we use Stainless steel or copper . While we use Titanium or Cu , Cu alloy , NiFe Alloys & NiFeCO (Kovar) as housing . Specification : Hermeticity: Less than 1×10-8cc/sec He, 100% tested Insulation Resistance >
- Material Type: Alumina / Aluminum Oxide
- Applications: Electronics / RF-Microwave
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Supplier: Summit Corporation of America
Description: Plating and Selective plating of chemically etched materials - Copper, brass alloys, Kovar, alloy 42
- Industry Served: Aerospace, Automotive, Castings / Cast Metal, Chemical / Material Processing, Electronics, Marine, Medical / Healthcare, Military Specification, OEM / Industrial, Process Equipment, Steel / Metal Mills
- Materials: Aluminum, Composites, Copper / Copper Alloys, Metal, Nickel / Nickel Alloys, Precious Metals, Stainless Steel, Steel / Steel Alloys, Titanium
- Coating Capabilities: Chemical Finish / Conversion, Dip / Immersion Coating, Phosphate Coating, Plating / Electroplating
- Functions & Features: Corrosion / Rust Preventive, Heat Resistant / High Temperature
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, corrosion resistance temperature. We normally choose 95% (96%) alumina ceramic material as the insulator . For the conductor , sometimes we use Kovar and Copper Cored Kovar, sometimes we use Stainless steel or copper . While we use Titanium or Cu , Cu (read more)
Browse Industrial Ceramic Materials Datasheets for 3X Ceramic Parts Company Limited -
/ Flange 304 stainless steel / kovar alloy Corrosion-resistant, weldable, vacuum-sealed Technical specification parameters parameter typical value insulating material 95% Al (read more)
Browse Electroceramics Datasheets for Xiamen Innovacera Advanced Materials Co., Ltd. -
Copper Composite Materials combine the excellent thermal conductivity of copper with the low thermal expansion characteristics of Kovar, Invar, and steel. These engineered sandwich composites provide an effective (read more)
Browse Heat Pipes Datasheets for ToneCooling Technology Co., Ltd
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Intracranial Pressure Telemetry System Using Semicustom Integrated Circuits
35 Kovar corroded .
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Non‐metallic inorganic coatings
Uncoated Kovar had corrosion rates of 3.0 g/mzh in LiCl and 61.2 g/m2h in gaseous C1; saturation with C1 or Li increased or decreased the corrosion rate resp.
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Metal coatings
Uncoated Kovar had corrosion rates of 3.0 g/mzh in LiCl and 61.2 g/m2h in gaseous C1; saturation with C1 or Li increased or decreased the corrosion rate resp.
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Plastics and other organic materials
Uncoated Kovar had corrosion rates of 3.0 g/mzh in LiCl and 61.2 g/m2h in gaseous C1; saturation with C1 or Li increased or decreased the corrosion rate resp.
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Non‐ferrous metals
Corrosion of Kovar 29NK in Molten Sulfur.
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Non‐ferrous metals
The role of sulfide (MnS) inclusions in the pitting corrosion of Kovar (Fe-29Ni- .
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Principles of Corrosion
A differential aeration cell exists between the Kovar underneath the corrosion product and that exposed to the air, which accel- erate the corrosion.
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Impurities introduced into kovar-envelope electron tubes by atmospheric corrosion
’ If the kovar is protectedfrom corrosion , such as by a nickel coating,t,hehydrogenpenetation .
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Packaging Materials and Techniques for Implantable Instruments
The Kovar flatpack was corrosive , and the overall size of the package was too large.
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CORROSION AND WEAR HANDBOOK FOR WATER COOLED REACTORS
Karbate A, static corrosion classification, 100 Karbate C, static corrosion classification, 100 Kel-F, static corrosion classification, 100 K-Monel, dynamic corrosion data, 118 effect of water velocity on corrosion, 138 Kovar , static corrosion classification, 98 KR Monel, use in bearings, vs …