Repair of directionally solidified superalloy GTD-111 by laser-engineered net shaping

被引：70
|
作者：
Li, Leijun [1 ]
机构：
[1] Utah State Univ, Dept Mech & Aerosp Engn, Logan, UT 84322 USA
来源：
JOURNAL OF MATERIALS SCIENCE | 2006年 / 41卷 / 23期
关键词：
D O I：
10.1007/s10853-006-0948-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
GTD-111 directionally solidified superalloy was repaired by the Nd:YAG laser based laser-engineered net shaping (LENS) process. Selection of process parameters are discussed against the formation of deposits and occurrence of defects. Formation of microfissures, porosity, lack of fusion, and stray crystals in the deposit zone was studied. It was identified that formation of stray crystals in the directionally solidified alloy could be due to two types of sources: the shape of the melt pool, and the existence of second-phase particles at the melt pool fusion boundary.
引用
收藏
页码：7886 / 7893
页数：8
相关论文
共 50 条
  • [1] Repair of directionally solidified superalloy GTD-111 by laser-engineered net shaping
    Leijun Li
    Journal of Materials Science, 2006, 41 : 7886 - 7893
  • [2] Pulsed Laser Repair of GTD-111 Directionally Solidified Superalloy
    Li, L.
    Deceuster, A.
    Zhang, V.
    Mahapatra, M.
    TRENDS IN WELDING RESEARCH, 2009, : 652 - 659
  • [3] Pulsed laser repair of GTD-111 directionally solidified superalloy
    Utah State University, Logan, UT, United States
    ASM Proc. Int. Conf. Trends Weld. Res., (652-659):
  • [4] Elevated temperature fatigue crack growth in directionally solidified GTD-111 superalloy
    Highsmith, S
    Johnson, WS
    FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2006, 29 (01) : 11 - 22
  • [5] Change of microstructures of directionally solidified Ni base superalloy GTD-111 at high temperature
    Lee, Bong-Keun
    Song, Woo-Young
    Han, Tae-Kyo
    Ye, Chang-Ho
    Whang, Hyong-Chol
    Kang, Chung-Yun
    HEAT TREATMENT OF MATERIALS, 2006, 118 : 65 - +
  • [6] On the precipitation hardening of the directionally solidified GTD-111 Ni-base superalloy: Microstructures and mechanical properties
    Dadkhah, Arman
    Kermanpur, Ahmad
    MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2017, 685 : 79 - 86
  • [7] Analysis of a Directionally Solidified (DS) GTD-111 Turbine Blade Failure
    Khier Sabri
    Mohamed Gaceb
    Mohamed Ouali Si-Chaib
    Journal of Failure Analysis and Prevention, 2020, 20 : 1162 - 1174
  • [8] Analysis of a Directionally Solidified (DS) GTD-111 Turbine Blade Failure
    Sabri, Khier
    Gaceb, Mohamed
    Si-Chaib, Mohamed Ouali
    JOURNAL OF FAILURE ANALYSIS AND PREVENTION, 2020, 20 (04) : 1162 - 1174
  • [9] Influence of Trace Amounts of Sulfur on the Microstructure and Mechanical Properties of Directionally Solidified Ni-Based Superalloy GTD-111
    Kang, Dong-Soo
    Lee, Hyungsoo
    Yun, Dae Won
    Jeong, Hi Won
    Yoo, Young -Soo
    Seo, Seong-Moon
    KOREAN JOURNAL OF METALS AND MATERIALS, 2022, 60 (10): : 782 - 792
  • [10] Creep deformation and rupture behaviour of directionally solidified GTD 111 superalloy
    Ibanez, A. R.
    Srinivasan, V. S.
    Saxena, Ashok
    FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES, 2006, 29 (12) : 1010 - 1020
12345