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Microhardness Distribution of Long Magnesium Block Processed through Powder Metallurgy
Powder metallurgy is a popular method of making raw powders into specific shaped samples. However, the pressure distribution and the microhardness difference within the sample are nonnegligible and unclear when the sample is long or exceeds a specific ...
Jiaying Wang, Qizhen Li
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Measurement and Analysis of Hydrogen Distribution in Stress Environment Using Vickers Microhardness Technique [PDF]
In this paper, the stress distribution field in front of the crack tip was obtained by loading a modified WOL specimen using a bolt. Considering the relationship between microhardness and hydrogen content or internal stress in the metal, a model based on
Lei Gu +3 more
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The Microhardness as an Express Method for Estimation the Depth of Metal Particle Distribution
By measurement of microhardness of silver layer on polyimide films and its reduction after removing the stress, the depth of silver distribution in the polyimide films was calculated.
L. L. Muhina +4 more
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The research on structural features, microhardness distribution, and deformation features of Vit105 bulk metallic glass (BMG) before and after high-pressure torsion (HPT), as well as after relaxing annealing, has been carried out.
Vasily Astanin +3 more
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Justification of the method of surface plastic deformation to strengthen the surface of the shaft under the cuff during repair [PDF]
The shaft-seal connection is a critical element of any unit, and its reliability is important to ensure the service life of the entire assembly unit. Treatment by surface plastic deformation makes it possible to provide hardening to a depth of up to 2 mm,
Nesterkin Gennady +4 more
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Analysis of residual stress in 1.4539 austenitic steel joints welded with TIG method [PDF]
The article compares the results of tests of residual stress determined based on Knoop microhardness measurements and obtained experimentally with the use of an x-ray diffractometer.
Barbara Nasiłowska +4 more
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The Ni-Ti-Cr-carbon nanotubes (CNTs) composite coatings was successfully fabricated by laser cladding. The optical microscope was used to observe the metallographic structure of the composite coating, the phase composition of the composite layer was ...
Kexin Zhou, Yifu Shen
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Microstructural evolution and surface integrity of ultrasonic surface rolling in Ti6Al4V alloy
Ultrasonic surface rolling technology is a new mechanical surface treatment technology that can improve the surface integrity, increase the amplitude and depth of the residual compressive stress layer and improve the fatigue property of metal materials ...
Xian Luo +4 more
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A new approach to predict microhardness of two-phase in cutting S32760 duplex stainless steel
The uneven distribution of microhardness in the two-phase structure of S32760 duplex stainless steel after cutting is attributed to variations in the crystal structure, which significantly impact the material's performance.
Xiangyuan Zhang +5 more
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Low-expansion alloys are of great importance and can be used for the development of new aerospace materials. Herein, we report diverse rare earth quasicrystal alloys fabricated by the vacuum suction casting process. The effects of the addition of cerium (
Juan Wang +9 more
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