Results 51 to 60 of about 910 (167)

Lasers processing of ultra-hard materials [PDF]

open access: yes, 2015
Laser processing of ultra-hard materials is a relatively new field that have the potential to improve variety of products and different industries. This dissertation explores specific new development in this field through three main subjects: laser ...
Melaibari, Ammar Abdulghani
core   +3 more sources

The study of volumetric wearing of PCBN/W-Re composite tool during friction stir processing of pipeline steels (X70) plates [PDF]

open access: yes, 2021
Friction stir welding is a solid-state joining/processing technique that offers high strength and productivity, resulting in a microstructure similar to hot working cycles. However, high melting temperature metals such as steels cause excessive wear over
Costa, Alex   +8 more
core   +1 more source

Effects of the ratio of binder and the ratio of cBN particle size on the microstructure and properties of PcBN composites

open access: yesJin'gangshi yu moliao moju gongcheng
Polycrystalline cubic boron nitride composites were prepared under high-temperature and high-pressure conditions. The effects of bonding agent ratio and cBN particle size on the composition, microstructure, microhardness, and abrasive ratios of the PcBN ...
Qin ZOU   +5 more
doaj   +1 more source

Current Trends and Future Perspective for Cold Spray Metal‐Ceramic Composites

open access: yesAdvanced Engineering Materials, Volume 27, Issue 10, May 2025.
The use of cold spray (CS) technology for creating cermet deposits, combining ceramic and metallic components, is advancing rapidly. Cermets offer excellent temperature handling and erosion resistance for diverse applications. This review outlines the current state of the art, focusing on the deposition dynamics and strategies to optimize the ...
Romario A. Wicaksono   +2 more
wiley   +1 more source

Failure and Control of PCBN Tools in the Process of Milling Hardened Steel

open access: yesMetals, 2019
The polycrystalline cubic boron nitride (PCBN) milling tool can be used in the mold industry to replace cemented carbide tools to improve machining efficiency and quality. It is necessary to study the tool wear and failure mechanism to increase machining
Guangyue Wang   +3 more
doaj   +1 more source

Desenvolvimento de compositos de PcBN através da sinterização assistida por campo elétrico [PDF]

open access: yes, 2022
PcBN (Polycrystalline cubic Boron Nitride) is a material densified by HPHT techniques and processes a high economic cost. In this work it was intended to study the behavior during sintering of the cBN-TiCN-Ni and the possibility of densification by Spark
Mineiro, Ricardo Miguel Caixa
core  

Pulsed laser micro ablation of polycrystalline cubic boron nitride [PDF]

open access: yes, 2020
Polycrystalline cubic boron nitride (PcBN) is the second hardest material after diamond. Because of its unique properties, PcBN is extensively used as a cutting tool material for the machining of hardened steels.
Denkena, Berend   +3 more
core   +2 more sources

FEM Modelling of Tool Wear in Hard Turning Operations [PDF]

open access: yes, 2021
Hard turning is a machining operation of finishing performed on material with a hardness higher than 45 HRC and it has been demonstrated to be a profitable alternative to grinding process allowing, respect to this latter, better surface quality, improved
Cappellini, Cristian
core   +1 more source

Breaking Boundaries with Ceramic Matrix Composites: A Comprehensive Overview of Materials, Manufacturing Techniques, Transformative Applications, Recent Advancements, and Future Prospects

open access: yesAdvances in Materials Science and Engineering, Volume 2024, Issue 1, 2024.
Ceramic matrix composites (CMCs) are a category of advanced materials which have gained significant interest recently due to their remarkable mechanical and thermal characteristics. These composites are composed of ceramic fibers, particles, or other types of ceramics incorporated in a ceramic matrix and have shown the capability to be implemented in ...
Adib Bin Rashid   +5 more
wiley   +1 more source

Research on PCBN Tool Dry Cutting GCr15

open access: yesMachines, 2018
This paper is based on the theoretical analysis designs of a dry cutting orthogonal test in order to study a phenomenon that the radial force is larger than the main cutting force when a PCBN (polycrystalline cubic boron nitride) tool hard turns GCr15 ...
Qinghua Li   +3 more
doaj   +1 more source

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