THE OCCURRENCE OF AUSTENITIC LAYERS IN LASER SURFACE-MELTED IRON-ALLOYS

被引:9
|
作者
PALOMBARINI, G [1 ]
SAMBOGNA, G [1 ]
CARBUCICCHIO, M [1 ]
机构
[1] UNIV PARMA,DEPT PHYS,I-43100 PARMA,ITALY
关键词
D O I
10.1007/BF01124692
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In iron alloys surface melted by power laser treatments, thin, relatively soft layers mainly constituted by austenite, can form in the upper part of the solid state transformed regions. The mechanism of formation involves both carbon diffusion from the melt, in amounts sufficient to stabilize austenite, and the high thermal gradients typically produced in the alloys by high-energy sources.
引用
下载
收藏
页码:3396 / 3399
页数:4
相关论文
共 50 条
  • [1] Resolidification behaviour of laser surface-melted metals and alloys
    Swamy, V.T.
    Ranganathan, S.
    Chattopadhyay, K.
    Surface and Coatings Technology, 1995, 71 (02): : 129 - 134
  • [2] RESOLIDIFICATION BEHAVIOR OF LASER SURFACE-MELTED METALS AND ALLOYS
    SWAMY, VT
    RANGANATHAN, S
    CHATTOPADHYAY, K
    SURFACE & COATINGS TECHNOLOGY, 1995, 71 (02): : 129 - 134
  • [3] AGING OF AUSTENITIC IRON-ALLOYS CONTAINING NITROGEN
    FERGUSON, P
    DRIVER, JH
    HENDRY, A
    JOURNAL OF MATERIALS SCIENCE, 1983, 18 (10) : 2951 - 2956
  • [4] Microstructural characterization of laser surface-melted Inconel 718
    Sumit K. Sharma
    K. Biswas
    A. K. Nath
    I. Manna
    J. Dutta Majumdar
    Journal of Optics, 2020, 49 : 494 - 509
  • [5] ANALYSIS OF MICROSTRUCTURES OF LASER SURFACE-MELTED TOOL STEELS
    MOLIAN, PA
    RAJASEKHARA, HS
    JOURNAL OF MATERIALS SCIENCE LETTERS, 1986, 5 (12) : 1292 - 1294
  • [6] Microstructural characterization of laser surface-melted Inconel 718
    Sharma, Sumit K.
    Biswas, K.
    Nath, A. K.
    Manna, I.
    Majumdar, J. Dutta
    JOURNAL OF OPTICS-INDIA, 2020, 49 (04): : 494 - 509
  • [7] OXIDATION PHENOMENA AT THE SURFACE OF IRON-ALLOYS DURING LASER TREATMENTS
    CARBUCICCHIO, M
    PALOMBARINI, G
    HYPERFINE INTERACTIONS, 1988, 41 (1-4): : 621 - 624
  • [8] X-RAY METHOD OF EXAMINING SURFACE-LAYERS OF IRON-ALLOYS
    NEMIROVSKII, MR
    INDUSTRIAL LABORATORY, 1977, 43 (03): : 355 - 356
  • [9] Solidification structures on carbon materials surface-melted by repetitive laser pulses
    Abramov, D. V.
    Arakelyan, S. M.
    Kutrovskaya, S. V.
    Kucherik, A. O.
    Prokoshev, V. G.
    QUANTUM ELECTRONICS, 2009, 39 (04) : 333 - 336
  • [10] Microstructural and corrosion characteristics of laser surface-melted plastics mold steels
    Kwok, CT
    Leong, KI
    Cheng, FT
    Man, HC
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2003, 357 (1-2): : 94 - 103