Results 1 to 10 of about 19,927 (215)

Microstructure and mechanical properties of Ni matrix B4C reinforced functionally graded composites [PDF]

open access: yesScience of Sintering, 2021
In this study, microstructure and mechanical properties of nickel matrix B4C reinforced functionally graded composites produced by powder metallurgy method were investigated.
Caligulu Ugur   +3 more
doaj   +1 more source

Microstructure, physical, tensile and wear behaviour of B4C particles reinforced Al7010 alloy composites

open access: yesManufacturing Review, 2023
In the present study looked into how incorporating B4C particles with a size range of 20–25 microns would affect the mechanical, wear and physical properties of composites made from Al7010 alloy. The stir cast method accounted for of the total production
Mydur Kotresha   +5 more
doaj   +1 more source

Effect of Trimethylamine Borane (TMAB) on the Corrosion Resistance and Mechanical Properties of Nickel-Based Composite Coatings

open access: yesInternational Journal of Electrochemical Science, 2021
In this study, B4C particles are added into “Ni bath” and “Ni-B bath” (added TMAB) to electrodeposited Ni/B4C and Ni-B/B4C composite coating, respectively.
Hung-Hua Sheu   +6 more
doaj   +1 more source

Highly electro-conductive B4C–TiB2 composites with three-dimensional interconnected intergranular TiB2 network

open access: yesJournal of Advanced Ceramics, 2023
To achieve lightweight B4C-based composite ceramics with high electrical conductivities and hardness, B4C–TiB2 ceramics were fabricated by reactive spark plasma sintering (SPS) using B4C, TiC, and amorphous B as raw materials.
Jun ZHAO   +5 more
doaj   +1 more source

Improving the Erosion Behavior of Inconel 625 Substrate by PTA-Deposited Stellite6/B4C Composite Cladding [PDF]

open access: yesJournal of Advanced Materials in Engineering, 2022
The purpose of this study was to improve the erosion behavior of Inconel 625 alloy by plasma transferred arc-deposited stellite6/B4C composite cladding. For this purpose, 5 wt.% of boron carbide was added to the stellite6 clad.
N. Mohammadi, B. Lotfi
doaj   +1 more source

Influences of B4C content and particle size on the mechanical properties of hot pressed TiB2–B4C composites

open access: yesJournal of Asian Ceramic Societies, 2021
TiB2 ceramic has attracted many attentions due to its excellent performances both on mechanical and functional properties. However, it is still very difficult to obtain TiB2 bulks with full densification. Herein, TiB2–B4C composites were prepared via hot
Jun Zhao   +6 more
doaj   +1 more source

Effect of B4C on strength coefficient, cold deformation and work hardening exponent characteristics of Mg composites

open access: yesJournal of Magnesium and Alloys, 2022
The emphasis of this exploration was to examine the workability and work hardening performance of Mg (Magnesium) specimen and Mg-B4C composites created via the powder metallurgy technique.
S. Suresh   +2 more
doaj   +1 more source

Effects of load on tribological properties of B4C and B4C-SiC ceramics sliding against SiC balls

open access: yesJournal of Asian Ceramic Societies, 2020
Pressureless sintered B4C and B4C-SiC ceramics were subjected to tests of dry sliding against SiC balls at 5 N, 10 N and 20 N. The effects of load on the respective tribological properties of B4C and B4C-SiC ceramics were studied.
Wei Zhang, Seiji Yamashita, Hideki Kita
doaj   +1 more source

Phase transformation and mechanical properties of B4C/Al composites

open access: yesJournal of Materials Research and Technology, 2020
Lamellar constituted with 5, 15, 25 vol.% B4C/Al composites and homogeneous (namely 5, 15, 25 vol.% B4C/Al) composites were fabricated at sintering temperature 680 °C, sintering pressure 30 MPa, and heat preservation period 90 min via vacuum hot-pressing
Liu Zhang   +6 more
doaj   +1 more source

Microstructure and Mechanical Properties of Aluminum Cast Alloy A356 reinforced with Dual-Size B4C Particles

open access: yesFracture and Structural Integrity, 2021
The paper details the studies carried out on a dual-size particulate composite prepared by stir casting using A 356 aluminum alloy and B4C powders. Three composite compositions, viz., A356 plus 2% B4C (44µm size and 105µm size in 1:1 ratio), 4% B4C (3:1 ...
J. R. Chandrashekar   +2 more
doaj   +3 more sources

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