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Tribological aspect of selecting filler metal for repair surfacing of gears by hardfacing

Tribološki aspekti izbora dodatnog materijala kod površinske reparacije zupčanika tvrdim navarivanjem

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2011
127-130-IVK2-2011-SM-LM-AM-TL.pdf (345.7Kb)
Authors
Marković, Svetislav
Milović, Ljubica
Marinković, Aleksandar
Lazović, Tatjana
Article (Published version)
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Abstract
Analysis of repaired gears made of case-hardening steel 20MnCr5 by hardfacing method is presented in this paper. Hardfacing repaired gears are tested on the closed power circuit device with variation of the torque value. During testing the wear intensity is measured and the gears' working life is predicted. Samples made of the same material as the gear are tested on tribometer of the 'block-on-disc' type. The gears are repaired in two ways: (1) by hardfacing with filler metal, which is subsequently case-hardened and heat-treated and then mechanically machined, and (2) by hardfacing with filler metal of high hardness (≈ 60 HRC).
U radu je predstavljena analiza zupčanika izrađenih od čelika za cementaciju 20MnCr5 koji je repariran tvrdim navarivanjem. Zupčanici reparirani tvrdim navarivanjem su ispitivani na uređaju sa zatvorenim strujnim kolom sa varijacijom veličine prenosnog momenta. Tokom ispitivanja, izmeren je intenzitet habanja i procenjen je radni vek zupčanika. Uzorci napravljeni od istog materijala kao zupčanik su ispitivani na tribometru tipa 'blok-na-disku'. Zupčanici su reparirani na dva načina: (1) putem tvrdog navarivanja dodatnim materijalom, koji je onda termohemijski i termički obrađen a zatim obrađen mašinski, a (2) putem tvrdog navarivanja sa dodatnim materijalom visoke tvrdoće (≈ 60 HRC).
Keywords:
repair / hardfacing / filler metal / gears / reparacija / tvrdo navarivanje / dodatni materijal / zupčanici
Source:
Integritet i vek konstrukcija, 2011, 11, 2, 127-130
Publisher:
  • Society for Structural Integrity and Life, Institute for Material Testing
Funding / projects:
  • Pressure equipment integrity under simultaneous effect of fatigue loading and temperature (RS-35011)

ISSN: 1451-3749

Scopus: 2-s2.0-84874221398
[ Google Scholar ]
22
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1843
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Marković, Svetislav
AU  - Milović, Ljubica
AU  - Marinković, Aleksandar
AU  - Lazović, Tatjana
PY  - 2011
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/1843
AB  - Analysis of repaired gears made of case-hardening steel 20MnCr5 by hardfacing method is presented in this paper. Hardfacing repaired gears are tested on the closed power circuit device with variation of the torque value. During testing the wear intensity is measured and the gears' working life is predicted. Samples made of the same material as the gear are tested on tribometer of the 'block-on-disc' type. The gears are repaired in two ways: (1) by hardfacing with filler metal, which is subsequently case-hardened and heat-treated and then mechanically machined, and (2) by hardfacing with filler metal of high hardness (≈ 60 HRC).
AB  - U radu je predstavljena analiza zupčanika izrađenih od čelika za cementaciju 20MnCr5 koji je repariran tvrdim navarivanjem. Zupčanici reparirani tvrdim navarivanjem su ispitivani na uređaju sa zatvorenim strujnim kolom sa varijacijom veličine prenosnog momenta. Tokom ispitivanja, izmeren je intenzitet habanja i procenjen je radni vek zupčanika. Uzorci napravljeni od istog materijala kao zupčanik su ispitivani na tribometru tipa 'blok-na-disku'. Zupčanici su reparirani na dva načina: (1) putem tvrdog navarivanja dodatnim materijalom, koji je onda termohemijski i termički obrađen a zatim obrađen mašinski, a (2) putem tvrdog navarivanja sa dodatnim materijalom visoke tvrdoće (≈ 60 HRC).
PB  - Society for Structural Integrity and Life, Institute for Material Testing
T2  - Integritet i vek konstrukcija
T1  - Tribological aspect of selecting filler metal for repair surfacing of gears by hardfacing
T1  - Tribološki aspekti izbora dodatnog materijala kod površinske reparacije zupčanika tvrdim navarivanjem
EP  - 130
IS  - 2
SP  - 127
VL  - 11
UR  - conv_1589
ER  - 
@article{
author = "Marković, Svetislav and Milović, Ljubica and Marinković, Aleksandar and Lazović, Tatjana",
year = "2011",
abstract = "Analysis of repaired gears made of case-hardening steel 20MnCr5 by hardfacing method is presented in this paper. Hardfacing repaired gears are tested on the closed power circuit device with variation of the torque value. During testing the wear intensity is measured and the gears' working life is predicted. Samples made of the same material as the gear are tested on tribometer of the 'block-on-disc' type. The gears are repaired in two ways: (1) by hardfacing with filler metal, which is subsequently case-hardened and heat-treated and then mechanically machined, and (2) by hardfacing with filler metal of high hardness (≈ 60 HRC)., U radu je predstavljena analiza zupčanika izrađenih od čelika za cementaciju 20MnCr5 koji je repariran tvrdim navarivanjem. Zupčanici reparirani tvrdim navarivanjem su ispitivani na uređaju sa zatvorenim strujnim kolom sa varijacijom veličine prenosnog momenta. Tokom ispitivanja, izmeren je intenzitet habanja i procenjen je radni vek zupčanika. Uzorci napravljeni od istog materijala kao zupčanik su ispitivani na tribometru tipa 'blok-na-disku'. Zupčanici su reparirani na dva načina: (1) putem tvrdog navarivanja dodatnim materijalom, koji je onda termohemijski i termički obrađen a zatim obrađen mašinski, a (2) putem tvrdog navarivanja sa dodatnim materijalom visoke tvrdoće (≈ 60 HRC).",
publisher = "Society for Structural Integrity and Life, Institute for Material Testing",
journal = "Integritet i vek konstrukcija",
title = "Tribological aspect of selecting filler metal for repair surfacing of gears by hardfacing, Tribološki aspekti izbora dodatnog materijala kod površinske reparacije zupčanika tvrdim navarivanjem",
pages = "130-127",
number = "2",
volume = "11",
url = "conv_1589"
}
Marković, S., Milović, L., Marinković, A.,& Lazović, T.. (2011). Tribological aspect of selecting filler metal for repair surfacing of gears by hardfacing. in Integritet i vek konstrukcija
Society for Structural Integrity and Life, Institute for Material Testing., 11(2), 127-130.
conv_1589
Marković S, Milović L, Marinković A, Lazović T. Tribological aspect of selecting filler metal for repair surfacing of gears by hardfacing. in Integritet i vek konstrukcija. 2011;11(2):127-130.
conv_1589 .
Marković, Svetislav, Milović, Ljubica, Marinković, Aleksandar, Lazović, Tatjana, "Tribological aspect of selecting filler metal for repair surfacing of gears by hardfacing" in Integritet i vek konstrukcija, 11, no. 2 (2011):127-130,
conv_1589 .

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