Recrystallization of tungsten alloys

Golovanenko, S. A.; Natapova, A. B.; Klypin, B. A.; Kesaev, T. M.

doi:10.1007/bf00704130

Cited by 8 publications

(2 citation statements)

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“…The PnSC device in this study was designed for hightemperature measurements. Specifically, the heating element was fabricated from a 100 nm thick W−Ti alloy film with a high recrystallization temperature, 33 extending the operating temperature to 1400 K. The membrane was fabricated from Si 3 N 4 with a total thickness of approximately 300 nm. Figure S1 in the Supporting Information provides more detailed information on the microfabrication processes used to make the device.…”

Section: ■ Introductionmentioning

confidence: 99%

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Low-Temperature Synthesis of Ultra-High-Temperature Coatings of ZrB₂ Using Reactive Multilayers

et al. 2014

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We demonstrate a route to synthesize ultra high-temperature ceramic coatings of ZrB 2 at temperatures below 1,300 K using Zr/B reactive multilayers. Highly textured crystalline ZrB 2 is formed at modest temperatures, because of the absence of any oxide at the interface between Zr and B, and the very short diffusion distance that is inherent to the multilayer geometry. The kinetics of the ZrB 2 formation reaction is analyzed using high-temperature scanning nano-calorimetry, and the microstructural evolution of the multilayer is revealed using transmission electron microscopy. We show that the Zr/B reaction proceeds in two stages: (1) inter-diffusion between the nano-crystalline Zr and the amorphous B layers, forming an amorphous Zr/B alloy; and (2) crystallization of the amorphous alloy to form ZrB 2 . Scanning nano-calorimetry measurements performed at heating rates ranging from 3,100 to 10,000 K/s allow determination of the kinetic parameters of the multilayer reaction, yielding activation energies of 0.47 eV and 2.4 eV for Zr/B inter-diffusion and ZrB 2 crystallization, respectively.

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Section: ■ Introductionmentioning

confidence: 99%

“…Specifically, the heating element was fabricated from a 100 nm thick W-Ti alloy film with a high recrystallization temperature 33 , extending the operating temperature to 1,400 K.…”

Section: Nano-calorimetry Sensorsmentioning

confidence: 99%

Low-Temperature Synthesis of Ultra-High-Temperature Coatings of ZrB₂ Using Reactive Multilayers

et al. 2014

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Effect of method of manufacture on the structure and lamination tendency of thoriated tungsten

Korchagin¹,

Kesaev²,

Dzutsev³

et al. 1977

Powder Metall Met Ceram

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Preliminary evaluation of tensile and stress-rupture behavior of W + 24 At. Pct Re + 0.4 At. Pct HfC wire

Yun

1993

Metall Trans A

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Recrystallization of tungsten alloys

Cited by 8 publications

References 1 publication

Low-Temperature Synthesis of Ultra-High-Temperature Coatings of ZrB₂ Using Reactive Multilayers

Low-Temperature Synthesis of Ultra-High-Temperature Coatings of ZrB₂ Using Reactive Multilayers

Effect of method of manufacture on the structure and lamination tendency of thoriated tungsten

Preliminary evaluation of tensile and stress-rupture behavior of W + 24 At. Pct Re + 0.4 At. Pct HfC wire

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Recrystallization of tungsten alloys

Cited by 8 publications

References 1 publication

Low-Temperature Synthesis of Ultra-High-Temperature Coatings of ZrB2 Using Reactive Multilayers

Low-Temperature Synthesis of Ultra-High-Temperature Coatings of ZrB2 Using Reactive Multilayers

Effect of method of manufacture on the structure and lamination tendency of thoriated tungsten

Preliminary evaluation of tensile and stress-rupture behavior of W + 24 At. Pct Re + 0.4 At. Pct HfC wire

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Product

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About

Low-Temperature Synthesis of Ultra-High-Temperature Coatings of ZrB₂ Using Reactive Multilayers

Low-Temperature Synthesis of Ultra-High-Temperature Coatings of ZrB₂ Using Reactive Multilayers