Results 81 to 90 of about 4,105 (210)

Process Parameter Optimization of Directed Energy Deposited QT17‐4+ Steel

Advanced Materials Technologies, Volume 9, Issue 15, August 7, 2024.
A novel QT17‐4+ stainless steel powder is used in directed energy deposition (DED), for the first time. Process parameters are optimized by the response surface methodology (RSM). The microstructure, level of porosity, phase content, and anisotropy in mechanical properties are characterized.
Vyas Mani Sharma, Vladimir Popov, Amir R. Farkoosh, Dieter Isheim, David N. Seidman, Noam Eliaz   +5 more
wiley   +1 more source

Overview of material constitutive law for additive manufacturing metal structures

Urban Lifeline
Metal materials play a significant role in civil and construction engineering, and additively manufactured (AM) metals are gaining attention as a complementary technology due to their benefits of reduced material waste and greater design flexibility.
Bing-Lin Lai, Yi-Ran Li, Tong Guo, George Vasdravellis, J. Y. Richard Liew   +4 more
doaj   +1 more source

Ductile fracture behavior and flow stress modeling of 17-4PH martensitic stainless steel in tensile deformation at high temperature

Materials Research Express, 2020
The ductile fracture behavior of 17-4PH martensitic stainless steel at high temperature was investigated based on the experimental data of hot uniaxial tensile test.
Chao Feng, Li Zhang, Jian Wu, Hang Yu
doaj   +1 more source

Study the potential of micro laser sintering additive manufacturing technology for metallic 3D printing horn antenna structure

The Journal of Engineering, Volume 2024, Issue 8, August 2024.
Abstract Applications for an antenna structure produced with additive manufacturing technology are numerous and promising. This study focuses explicitly on utilizing micro‐laser sintering (MLS) three‐dimensional (3D) printing technology to fabricate two rectangular horn antennas identical to a standard Pasternack® horn antenna, making the fabrication ...
Sheikh Dobir Hossain, Bhushan Lohani, Ryan M. Price, Robert Christopher Roberts   +3 more
wiley   +1 more source

Effect of double aging treatment on the tribological properties of 15-5PH coating on 17-4PH stainless steel by laser cladding

Journal of Materials Research and Technology
To enhance the wear resistance of 17-4PH stainless steel, 15-5PH coatings are initially applied to its surface utilizing laser cladding technology. Subsequently, a double aging treatment is implemented as a post-processing method to further improve its ...
Hongxi Chen, Yanbin Du, Qiang Liang, Wensheng Ma, Jian Tu   +4 more
doaj   +1 more source

On the Post‐Processing of Complex Additive Manufactured Metallic Parts: A Review

Advanced Engineering Materials, Volume 26, Issue 10, May 2024.
This review outlines the significance of post‐processing in additive manufacturing to enhance surface quality, especially for complex geometries. It categorizes various methods—electrochemical polishing, chemical polishing, mechanical polishing, and hybrids—assessing their effectiveness in improving surface roughness.
Shamim Pourrahimi, Lucas A. Hof
wiley   +1 more source

Microstructural evolution of AISI304 stainless steel in the Steckel Mill rolling process [PDF]

, 2004
Includes bibliographical references (leaves [105]-110).The microstructural evolution of AISI304 stainless steel in the Steckel mill rolling process is investigated.
Parker, Sa-aadat
core  

Review on Fatigue of Additive Manufactured Metallic Alloys: Microstructure, Performance, Enhancement, and Assessment Methods

Advanced Materials, Volume 36, Issue 17, April 25, 2024.
Additive manufactured metals have excellent mechanical properties, but their fatigue resistance is an exception. This article reviews the processes attributes, hierarchical microstructure, fatigue performance, and evaluation methods. The fatigue failure mechanisms of printed metals were summarized, and the competition between trans‐scale ...
Hui Liu, Hanyang Yu, Chuan Guo, Xuliang Chen, Shiyu Zhong, Lin Zhou, Amr Osman, Jian Lu   +7 more
wiley   +1 more source

Evaluation of single tracks of 17-4PH steel manufactured at different power densities and scanning speeds by selective laser melting

South African Journal of Industrial Engineering, 2016
In Selective Laser Melting, the initial units produced are single tracks that overlap to create a single layer; from the sequence of layers, a 3D object is manufactured. The properties of the parts produced by SLM depend heavily on the properties of each
Makoana, N. W., Moller, H., Burger, H., Tlotleng, M., Yadroitsev, I.   +4 more
doaj   +1 more source

Sintering of 17-4PH stainless steel feedstock for metal injection molding

Materials Letters, 2008
Abstract The sintering behavior of 17-4PH stainless steel feedstock for metal injection molding was investigated in the temperature range of 650–1050 °C. Effects of sintering conditions, such as sintering temperature and sintering atmosphere, were examined.
Ye, Hezhou, Liu, Xing Yang, Hong, Hanping   +2 more
openaire   +3 more sources