Results 31 to 40 of about 910 (167)

Hard machining of agricultural machines parts

open access: yesResearch in Agricultural Engineering, 2013
For the renovation and/or improvement of the surface properties of machine elements, hard facing is often used. Hard structures obtained in layers or by heat treatment achieve a hardness of up to 68 hardness (HRC) or even more.
R. Drlička   +4 more
doaj   +1 more source

PCBN Performance in High Speed Finishing Turning of Inconel 718

open access: yesMetals, 2018
Inconel 718 is a Ni superalloy widely used in high responsibility components requiring excellent mechanical properties at high temperature and elevated corrosion resistance.
José Díaz-Álvarez   +3 more
doaj   +1 more source

Clarification of the Mechanism of Pulse Laser Grinding of Nanosecond Lasers Using High-Speed Camera Imaging

open access: yesMachines, 2022
Pulse laser grinding (PLG), as a cutting tool processing method, can not only achieve edge sharpening with high precision, but it can also produce surface modification.
Xiaoxu Liu   +5 more
doaj   +1 more source

Hard turning with variable micro-geometry PcBN tools [PDF]

open access: yes, 2008
Cataloged from PDF version of article.This paper presents investigations on hard turning with variable edge design PcBN inserts. Turning of hardened AISI 4340 steel with uniform and variable edge design PcBN inserts is conducted, forces and tool wear ...
Karpat, Y., Ozel, T., Srivastava, A.
core   +1 more source

Microstructure and mechanical properties of friction stir welded 8 mm pipe SAF 2507 super duplex stainless steel

open access: yesJournal of Materials Research and Technology, 2019
The microstructure and mechanical properties of 8-mm-thick friction stir welded SAF 2507 super duplex stainless steel pipe was examined. High-quality welds were successfully produced using polycrystalline cubic boron nitride (PCBN) tool, force control ...
Rafael Arthur Reghine Giorjão   +6 more
doaj   +1 more source

Influence of Niobium Addition on Microstructure and Machinability of High Chromium Cast Iron

open access: yesMaterials Research, 2021
High Chromium Cast Iron (HCCI) is mostly utilised in environments under severe abrasion and corrosion wear conditions, and research on this material with added niobium obtained positive results regarding wear resistance.
Anderson Edson da Silva   +3 more
doaj   +1 more source

Quantitative APT analysis of Ti(C,N) [PDF]

open access: yes, 2011
A specially produced Ti(C,N) standard material, with a known nominal composition, was investigated with laser assisted atom probe tomography. The occurrence of molecular ions and single/multiple events was found to be influenced by the laser pulse energy,
Andrén, Hans-Olof   +4 more
core   +1 more source

Study on Surface Roughness of Gcr15 Machined by Micro-Texture PCBN Tools

open access: yesMachines, 2018
This paper applies micro textures to the rake face of PCBN (Polycrystalline Cubic Boron Nitride) tools, including three types of micro textures that are microgroove textures vertical to the cutting edge, microgroove textures parallel to the cutting edge,
Chen Pan   +4 more
doaj   +1 more source

Evaluation of machining performance of STAVAX with PCBN tools [PDF]

open access: yes, 2004
A study was undertaken to investigate the wear characteristics of polycrystalline cubic boron nitride (PCBN) cutting tools and surface integrity during machining of STAVAX (specialised stainless steel) with and without coolant.
Liew, Willey Yun Hsien   +2 more
core   +1 more source

Effect of binder content on microstructure and mechanical properties of PcBN composites [PDF]

open access: yesProcessing and Application of Ceramics
In this study, polycrystalline cubic boron nitride (PcBN) composites were successfully prepared under ultrahigh pressure (5.5GPa) and high temperature (1500 °C) by using cBN as precursor and TiC, Ti and Al as binders.
Mo Peicheng   +7 more
doaj   +1 more source

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