Results 11 to 20 of about 910 (167)
Polycrystalline Cubic Boron Nitride (PCBN) Tool Life and Wear in Turning of Amorphous-Crystalline Iron-Based Coatings [PDF]
The paper presents PCBN-Ciborit cutting tools life and wear test results. The effects of the machining regime when turning amorphous-crystalline Fe80B20 and Fe79Cr16B5 coating systems applied to conventional workpiece materials were assessed. It has been shown that the observed tool wear mechanisms are complex in their character and are dominated by
Bojanić, Pavao +3 more
openaire +4 more sources
The normal spectral emissivity of a cutting tool based on polycrystalline cubic boron nitride (PCBN) between 400 °C and 1000 °C has been measured. Its shape shows significant differences with respect to that of pure cubic boron nitride (c-BN). Therefore, while the reflectance spectrum of pure c-BN can be fitted to a Lorentz model for linear dielectrics,
Tello León, Manuel +3 more
openaire +3 more sources
Feasibility of orbital friction stir welding on clad pipes of API X65 steel and Inconel 625 [PDF]
Orbital friction stir welding (FSW) has been applied to clad pipes, which is certainly of interest to the oil and gas industry. In this context, an FSW system capable of performing sound joints in one pass with full tool penetration was developed ...
C. V. Amavisca +7 more
doaj +2 more sources
Cutting parameter-tool material interaction on PcBN tool wear behaviour in ductile iron machining [PDF]
In response to the increasing requirements for the processing quality and precision of ductile iron parts under the trend of automotive lightweighting and emission reduction, this study systematically investigated the wear behavior and cutting parameter ...
Pengfei Wang +4 more
doaj +2 more sources
Investigation on Cutting Performance of Micro-Textured Cutting Tools [PDF]
This paper explores the influence of micro textures on cutting performance of polycrystalline cubic boron nitride (PCBN) tools from two aspects, that is, tool wear and machined surface roughness.
Qinghua Li +3 more
doaj +2 more sources
Polycrystalline cubic boron nitride (PcBN) is a super-hard material with a multiphase composite character. As it is the case for other super hard materials, information on the smallscale response of PcBN is rather scarce. In this sense, the present work conducts a systematic micro-mechanical study of the mechanical integrity of a cBN embedded in ...
Antoine Todeschini
openaire +2 more sources
The effect of hydrogen on the fracture toughness of friction‐stir welded API 5L X70 pipeline steels
Abstract The hydrogen embrittlement (HE) leads to severe steel degradation of mechanical properties. The hydrogen atoms diffuse into the steel and get positioned into reversible and irreversible trap sites. The pipe to transport oil and gas needs to be welded to construct long‐distance pipeline projects; thus, friction‐stir welding (FSW) has proven an ...
Joseane M. Giarola +5 more
wiley +1 more source
The permanent metal joining processes play a vital role in assembling the complex aluminium structures of the aerospace, automotive, marine, and oil industries. The invention of friction stir welding (FSW) redefined the mechanism of metal joining to produce high‐quality welds by eliminating the consumption of electrodes and shielding gases, resulting ...
S. M. Senthil +3 more
wiley +1 more source
Application of TOPSIS for multi response optimization of Process Parameters in dry hard turning of AISI 52100 steel [PDF]
In the present work by employing the Technique for order of preference by similarity to ideal solution (TOPSIS) machining parameters optimization is performed with polycrystalline cubic boron nitride (PCBN) tools while AISI 52100 steel hard turning (HT).
P. UMAMAHESWARRAO +3 more
doaj +1 more source
The study presents the hybrid joining of the third generation AA2198‐T8 aluminum lithium alloy to AA2024‐T3 aluminum copper alloy, which has been highly demanded recently in the aerospace industry. This investigation aims to reduce the cost of production in the industrial sector.
Ahmed Samir Anwar Alemdar +3 more
wiley +1 more source

