|
|
|
|
|
Zeliang Liu, Rui Zhao, Chenglin Tao, Yuan Wang and Xi Liang
Lattice structures are characterized by a light weight, high strength, and high stiffness, and have a wide range of applications in the aerospace field. Node stress concentration is a key factor affecting the mechanical performance of lattice structures....
ver más
|
|
|
|
|
|
|
|
|
|
|
Charlotte Wehner, Bradley Shirley, Garrett Mathesen, Julian Merrick, Brandon Weatherford and Emilio Alessandro Nanni
The manufacturing of active RF devices like klystrons is dominated by expensive and time-consuming cycles of machining and brazing. In this article, we characterize the RF properties of X-band klystron cavities and an integrated circuit manufactured with...
ver más
|
|
|
|
|
|
|
|
|
|
|
Saeed M. Jafarpour, Andrei V. Pipa, Alexander Puth, Anke Dalke, Jürgen Röpcke, Jean-Pierre H. van Helden and Horst Biermann
Recent technological development of utilizing an active screen made of solid carbon for plasma-assisted thermochemical diffusion treatments opens up new possibilities for control over the in situ generated treatment environment to guarantee reproducible ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Garrett Mathesen, Charlotte Wehner, Julian Merrick, Bradley Shirley, Ronald Agustsson, Robert Berry, Amirari Diego and Emilio Nanni
Additive manufacturing is a versatile technique that shows promise in providing quick and dynamic manufacturing for complex engineering problems. Research has been ongoing into the use of additive manufacturing for potential applications in radiofrequenc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Borja Lizarribar, Borja Prieto, Miren Aristizabal, Jose Manuel Martín, Miguel Martínez-Iturralde, Ekain San José, Ione Golvano and Sergio Montes
Recent advances in manufacturing methods have accelerated the exploration of new materials and advantageous shapes that could not be produced by traditional methods. In this context, additive manufacturing is gaining strength among manufacturing methods ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Angeliki G. Lekatou and Sofia Tsouli
The present work studies the effect of fly ash content (0?25 wt.%), pH (8, 12.5), and steel type (316L, 304L) on the cyclic polarization of stainless steel rebars in electrolytes, simulating fresh concrete exposed to acid rain and corroded concrete cover...
ver más
|
|
|
|
|
|
|
|
|
|
|
Roberto Montanari, Alex Lanzutti, Maria Richetta, Javokhir Tursunbaev, Emanuele Vaglio, Alessandra Varone and Claudio Verona
Austenitic stainless steels produced by laser powder bed fusion (L-PBF) are quite interesting materials owing to their specific microstructure consisting of dendrite walls built of dislocations pinned by many nano-oxides that involves significant strengt...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ke Zhao, Hongyan Wu, Changle Xiao, Jieyang Dong, Junzhao Ren and Zhaoxiang Peng
In order to improve the corrosion resistance of implant materials and understand the corrosion mechanisms, we prepared a biomedical Nb-Zr alloying layer on 316L stainless steel using double-layer glow plasma surface-alloying technology and investigated t...
ver más
|
|
|
|
|
|
|
|
|
|
|
Arumugam Madhan Kumar, Akeem Yusuf Adesina, Jothi Veeramani, Mohammad Mizanur Rahman and J. S. Nirmal Ram
Hybrid treatments consisting of surface modification and subsequent protective coatings have gained extensive attention among corrosion mitigation approaches for a wide variety of structural metallic materials. This study aims to review the enhancement o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zihao Wang and Tetsuo Shoji
Hydrogen plays various roles in metals or at metal?environment interfaces. Well known effects on metals are hydrogen embrittlement, hydrogen enhanced local plasticity, hydrogen enhanced strain-induced vacancy, hydrogen accelerated oxidation, hydrogen-ind...
ver más
|
|
|
|
|
|