The mechanical and microstructural characteristics of laser-deposited IN718

被引：227

作者：

Blackwell, PL ^{[1
]}

机构：

[1] QinetiQ Ltd, Farnborough GU14 0LX, Hants, England

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2005年 / 170卷 / 1-2期

关键词：

INCONELTM; 718; laser deposition; nickel; LENSTM;

D O I：

10.1016/j.jmatprotec.2005.05.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The paper is concerned with the application of laser deposition to the nickel-based superalloy INCONEL (TM) 718 (IN718). Several blocks of material were manufactured using the LENS (TM) process and subsequently heat treated and tensile tested. Following this, further sections of the original blocks were hot isostatically pressed (HIPed) and then reassessed for mechanical properties and microstructure. It was found that prior to HIPing the deposit exhibited anisotropic properties that appeared to be associated with non-optimised processing conditions. HIPing led to a reduction in anisotropy within the deposit, but generated considerable grain growth within the (IN718) substrate. (c) 2005 Qinetiq. Published by Elsevier B.V. All rights reserved.

引用

页码：240 / 246

页数：7