Structure modifications and mechanical properties of alloys exposed to pulsed ion beams

Abstract

The influence of exposure to supercurrent ion beams (SIB) on the structure of the high speed steel P6M5, the T14K8 hard alloy, and the tungstenless alloys KHT-16 and TH-20 has been investigated. A recrystallized layer (being amorphous in the limiting case) reformed in the near surface region. Its thickness is a few tens of microns which exceeds the range of the SIB in the material. SIB-induced structure modifications resulted in the following changes of the material properties: the microhardness increased by a factor of 1.5-2, and the wear resistance increased by a factor of 1.8-3.5. To investigate the surface layers, we used secondary ion mass spectrometry (SIMS), positron annihilation (PA), X-ray analysis and metallography.

Original language	English
Pages (from-to)	165-169
Number of pages	5
Journal	Nuclear Inst. and Methods in Physics Research, B
Volume	17
Issue number	2
DOIs	https://doi.org/10.1016/0168-583X(86)90080-7
Publication status	Published - 1986

ASJC Scopus subject areas

Surfaces, Coatings and Films
Instrumentation
Surfaces and Interfaces

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10.1016/0168-583X(86)90080-7

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Structure modifications and mechanical properties of alloys exposed to pulsed ion beams. / Didenko, A. N.; Ligachev, A. E.; Logachev, E. I.; Pogrebnjak, A. D.; Puchkareva, L. N.; Nesterenko, V. P.; Remnev, G. E.; Ruzimov, Sh M.

In: Nuclear Inst. and Methods in Physics Research, B, Vol. 17, No. 2, 1986, p. 165-169.

Research output: Contribution to journal › Article › peer-review

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title = "Structure modifications and mechanical properties of alloys exposed to pulsed ion beams",

abstract = "The influence of exposure to supercurrent ion beams (SIB) on the structure of the high speed steel P6M5, the T14K8 hard alloy, and the tungstenless alloys KHT-16 and TH-20 has been investigated. A recrystallized layer (being amorphous in the limiting case) reformed in the near surface region. Its thickness is a few tens of microns which exceeds the range of the SIB in the material. SIB-induced structure modifications resulted in the following changes of the material properties: the microhardness increased by a factor of 1.5-2, and the wear resistance increased by a factor of 1.8-3.5. To investigate the surface layers, we used secondary ion mass spectrometry (SIMS), positron annihilation (PA), X-ray analysis and metallography.",

author = "Didenko, {A. N.} and Ligachev, {A. E.} and Logachev, {E. I.} and Pogrebnjak, {A. D.} and Puchkareva, {L. N.} and Nesterenko, {V. P.} and Remnev, {G. E.} and Ruzimov, {Sh M.}",

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T1 - Structure modifications and mechanical properties of alloys exposed to pulsed ion beams

AU - Didenko, A. N.

AU - Ligachev, A. E.

AU - Logachev, E. I.

AU - Pogrebnjak, A. D.

AU - Puchkareva, L. N.

AU - Nesterenko, V. P.

AU - Remnev, G. E.

AU - Ruzimov, Sh M.

PY - 1986

Y1 - 1986

N2 - The influence of exposure to supercurrent ion beams (SIB) on the structure of the high speed steel P6M5, the T14K8 hard alloy, and the tungstenless alloys KHT-16 and TH-20 has been investigated. A recrystallized layer (being amorphous in the limiting case) reformed in the near surface region. Its thickness is a few tens of microns which exceeds the range of the SIB in the material. SIB-induced structure modifications resulted in the following changes of the material properties: the microhardness increased by a factor of 1.5-2, and the wear resistance increased by a factor of 1.8-3.5. To investigate the surface layers, we used secondary ion mass spectrometry (SIMS), positron annihilation (PA), X-ray analysis and metallography.

AB - The influence of exposure to supercurrent ion beams (SIB) on the structure of the high speed steel P6M5, the T14K8 hard alloy, and the tungstenless alloys KHT-16 and TH-20 has been investigated. A recrystallized layer (being amorphous in the limiting case) reformed in the near surface region. Its thickness is a few tens of microns which exceeds the range of the SIB in the material. SIB-induced structure modifications resulted in the following changes of the material properties: the microhardness increased by a factor of 1.5-2, and the wear resistance increased by a factor of 1.8-3.5. To investigate the surface layers, we used secondary ion mass spectrometry (SIMS), positron annihilation (PA), X-ray analysis and metallography.

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