Results 71 to 80 of about 68,122 (285)

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

Advanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb, Zachary T. Kloenne, Samuel R. Rogers, Chi Hang Dominik Kwok, Mark C. Hardy, Michele S. Conroy, David Dye   +6 more
wiley   +1 more source

Microstructure and mechanical properties of Ti48Al2Cr2Nb alloys with different carbon additions

Materials Research Express
Ti48Al2Cr2Nb alloys containing 0–2.0 wt% C were prepared by vacuum arc melting to investigate the effects of carbon on microstructure and mechanical properties.
Feng Huang, Mengfei Zhang, Sicheng Liang, Yeyu Hu, Rongguo Yang, Zhe Cheng, Yanxiong Liu   +6 more
doaj   +1 more source

Parameter Variation in Planetary Ball Milling of Titanium Aluminide Powder in XHV‐Adequate Atmosphere

Advanced Engineering Materials, EarlyView.
This study investigates the effects of milling parameters, including rotational speed, milling duration, and ball‐to‐powder ratio, on TiAl particle size and morphology in an XHV‐equivalent atmosphere. The creation of oxide‐free surfaces enhances the mechanical properties of green bodies.
Jytte Möckelmann, Armin Piwek, Julius Peddinghaus, Kai Brunotte, Bernd-Arno Behrens   +4 more
wiley   +1 more source

Composition Optimization in Alloy Design for Nickel-Based Single Crystal Superalloy: A Review

Metals
This article presents a review of the composition optimization progress of nickel-based single crystal (SC) superalloy design in recent years in order to obtain better high-temperature performance for the development of the aviation industry.
Yu Zhou, Xinbao Zhao, Yunpeng Fan, Quanzhao Yue, Wanshun Xia, Qinghai Pan, Yuan Cheng, Weiqi Li, Yuefeng Gu, Ze Zhang   +9 more
doaj   +1 more source

Microstructure and Mechanical Properties of a High-Mn TWIP Steel Subjected to Cold Rolling and Annealing

Metals, 2017
The structure–property relationship was studied in an Fe-18Mn-0.6C-1.5Al steel subjected to cold rolling to various total reductions from 20% to 80% and subsequent annealing for 30 min at temperatures of 673 to 973 K.
Alexander Kalinenko, Pavel Kusakin, Andrey Belyakov, Rustam Kaibyshev, Dmitri A. Molodov   +4 more
doaj   +1 more source

Research on application of hot isostatic pressing technology in the field of nickel-based cast superalloys

Cailiao gongcheng, 2021
Nickel-based cast superalloy is one of the main materials applied in the manufacture of aeroengine and gas turbine,and it is widely applied in aerospace,energy industry and shipbuilding industries etc.The rapid development of modern aviation industry is ...
SONG Fu-yang, ZHANG Jian, GUO Hui-ming, ZHANG Mai, ZHAO Yun-song, SHA Jiang-bo   +5 more
doaj   +1 more source

Multimodal Data‐Driven Microstructure Characterization

Advanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang, Santiago Benito, Özge Özgün, Sebastian Weber, Markus Stricker   +4 more
wiley   +1 more source

Comment on "Atomic Scale Structure and Chemical Composition across Order-Disorder Interfaces"

, 2011
Interfaces have long been known to be the key to many mechanical and electric properties. To nickel base superalloys which have perfect creep and fatigue properties and have been widely used as materials of turbine blades, interfaces determine the ...
Binghui Ge, Blavette D, Dingzhong Tang, Jiarong Li, Jing Zhu, Li JR, Yushi Luo, Zhonglou Gui   +7 more
core   +1 more source

High‐Temperature Nanoindentation of Metals: Assessing Thermal Drift, Frame Compliance, and Chemical Composition Effects on the Reported Mechanical Properties

Advanced Engineering Materials, EarlyView.
Do not let thermal drift and instrument artifacts deceive high‐temperature nanoindentation results. We compare classical Oliver–Pharr and automatic image recognition analyses across steels and a Ni alloy to quantify these effects. Accounting for artifacts reveals systematic softening with temperature, while Cr and Ni additions boost resistance ...
Velislava Yonkova, Steffen Brinckmann, Ruth Schwaiger   +2 more
wiley   +1 more source

Tungsten-based bcc-superalloys

, 2021
Applications from nuclear energy to rockets and jet engines are underpinned by advanced high temperature materials. Whilst state of the art, the performance of current nickel-based superalloys is fundamentally limited to Ni’s melting point, T m = 1455 ...
A. J. Knowles, D. Dye, Russel Dodds, A. Watson, C. Hardie, S. Humphry-Baker   +5 more
semanticscholar   +1 more source