Results 21 to 30 of about 1,905 (201)

Oxygen changes crack modes of Ni-based single crystal superalloy

Materials Research Letters, 2021
Oxygen-affected cracking commonly presents on thin Ni-based single crystal superalloy components serving in high temperature and oxidizing environments.
Xueqiao Li, Yinong Liu, Yunsong Zhao, Yanhui Chen, Ang Li, Jianfei Zhang, Yadi Zhai, Zhipeng Li, Dongfeng Ma, Xiaochen Li, Qing Zhang, Xiaomeng Yang, Haibo Long, Shengcheng Mao, Ze Zhang, Xiaodong Han   +15 more
doaj   +1 more source

Near‐Net Shape Hot Isostatic Pressing: Microstructural Analysis and Hardness Evolution at a Steel–Nickel Alloy Interface

Advanced Materials Interfaces, 2022
For near‐net shape hot isostatic pressing (HIP) process, the interaction between capsules and consolidating powders at a high pressure and temperature leads to a strong interfacial element diffusion, which is harmful to the surface microstructure and ...
Lebiao Yang, Yin Xie, Xiaona Ren, Chao Cai, Pengju Xue, Yusheng Shi, Changchun Ge   +6 more
doaj   +1 more source

A Yield Stress Model for a Solution-Treated Ni-Based Superalloy during Plastic Deformation

High Temperature Materials and Processes, 2018
Up to now, there are few reports on the yield behavior of Ni-based superalloy during plastic deformation. However, an accurate yield stress model is significant for simulating the plastic forming process by cellular automaton or finite element methods ...
Liu Yan-Xing, Lin Y.C
doaj   +1 more source

Achieving high-strength joining of TiAl- and Ni-based alloys at room temperature and 750 ℃ via utilizing a quinary FeCoNi-based amorphous filler

Journal of Materials Research and Technology, 2020
High content of single element in TiAl- or Ni-based brazing filler metal always causes the formation of bulk, directional and brittle intermetallics in the TiAl/Ni brazed joints, which deteriorates the joint mechanical properties.
Kewei Dong, Jian Kong, Yang Yang, Yong Peng, Qi Zhou, Kehong Wang   +5 more
doaj   +1 more source

Investigation of Microstructure and Mechanical Properties of the Repaired Precipitation-Strengthened Ni-Based Superalloy via Laser Melting Deposition

Metals, 2023
In this study, a typical γ′ phase precipitation-strengthened Ni-based superalloy DZ411 was repaired using an LMD-based repairing technique with an IN738LC superalloy, and crack-free samples were acquired.
Wengao Yan, Beirao Xue, Jinjun Li, Minghuang Zhao, Xiangde Bian   +4 more
doaj   +1 more source

Impact of the Co/Ni-Ratio on Microstructure, Thermophysical Properties and Creep Performance of Multi-Component γ′-Strengthened Superalloys

Crystals, 2020
The Ni content is a crucial factor for the development of γ′-strengthened Co-based superalloys and some studies have systematically addressed its influence on various properties in model superalloys.
Christopher H. Zenk, Nicklas Volz, Carolin Zenk, Peter J. Felfer, Steffen Neumeier   +4 more
doaj   +1 more source

EBSD Study of Delta-Processed Ni-Based Superalloy [PDF]

Metals, 2020
Nickel-based superalloys are extensively used in the aerospace and power generation industries due to their excellent mechanical properties at elevated temperatures and good corrosion resistance. Typically, these alloys require accomplishing critical standards during their manufacturing process. In this study, an Inconel 718 (IN718) Ni-based superalloy
Pedro Jacinto Páramo Kañetas, Jessica Calvo, Pablo Rodriguez-Calvillo, José María Cabrera Marrero, Marco Antonio Zamora Antuñano, Martha Patricia Guerrero-Mata   +5 more
openaire   +4 more sources

Microstructure and mechanical properties of wide gap brazing joint of the third-generation nickel-based single crystal superalloy

Journal of Aeronautical Materials, 2021
In this study, the third-generation rhenium containing single crystal superalloy was brazed by mixed powder filler, in which the mixed powder filler was consisted of nickel-based powder filler and the superalloy powder with the same composition of the ...
LI Kexin, HOU Xingyu, WANG Shiyang, SUN Yuan, CHEN Lijia, CHENG Lufan, WANG Zhenjiang, LI Hansong, TANG Guangquan   +8 more
doaj   +1 more source

L-PBF And DED Processing Of A Ni-based Superalloy

World PM2022 Proceedings, 2022
Different AM technologies such as PBF-LB and DED do become really attractive for both repair and 3D part manufacturing. In particular, extensive work is in progress for the non weldable nickel-based superalloys which tend to exhibit cracks due to residual stresses build-up during AM thermal cycles.
Thomas, M, Charkaluk, Eric, Solas, Denis, Szmytka, Fabien, Locq, Didier, Morel, Ariel, Hubert, Olivier, Muller, Nicolas, Tournier, Christophe   +8 more
openaire   +2 more sources

On the Influence of Alloy Composition on the Additive Manufacturability of Ni-Based Superalloys [PDF]

Metallurgical and Materials Transactions A, 2022
Abstract The susceptibility of nickel-based superalloys to processing-induced crack formation during laser powder-bed additive manufacturing is studied. Twelve different alloys—some of existing (heritage) type but also other newly-designed ones—are considered.
Ghoussoub, JN, Tang, YT, Dick-Cleland, WJB, Nemeth, AAN, McCartney, DG, Gong, Y, Cocks, ACF, Reed, RC   +7 more
openaire   +2 more sources