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Journal of Metallic Material Research

ISSN: 2630-5135 (Online)

Vol. 5 , Iss. 1 (April 2022)

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Article
The Influence of Friction Time on the Joint Interface and Mechanical Properties in Dissimilar Friction Welds
Venkata Charan Kantumuchu, Murali Mohan Cheepu

1-7

Article ID: 4209 DOI：https://doi.org/10.30564/jmmr.v5i1.4209
386 (Abstract) 252 (Download)

Abstract:
The welding of dissimilar materials is one of the challenging issues in the
fabrication industry to obtain required quality welds using fusion welding
methods. However, some processes recently improved interface bonding
with low joint strength. Unfortunately, the major intermetallic compounds
could not alleviate from the joint interface. Alternatively, solid-state
welding methods revealed fewer intermetallics at the joint interface for
dissimilar material... More
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Article
Influence of Nanoparticle Shapes of Boehmite Alumina on the Thermal Performance of a Straight Microchannel Printed Circuit Heat Exchanger
Élcio Nogueira

8-24

Article ID: 4364 DOI：https://doi.org/10.30564/jmmr.v5i1.4364
12088 (Abstract) 145 (Download)

Abstract:
The efficiency and irreversibility defined based on the second law of
thermodynamics provide a new path for heat exchangers design and make
performance analysis more straightforward and elegant. The second law
of thermodynamics is applied in a Straight Microchannel Printed Circuit
heat exchanger to determine the thermal performance of different shapes of
Boehmite Alumina compared to Al2O3 aluminum oxide. The... More
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Article
Interpretation of Water Samples by Correspondence Analysis for Radioactive Elements in the Northern Coast of Oman Sea
Farshad Darab-Golestan, Mohamad Reza Zare

25-31

Article ID: 4571 DOI：https://doi.org/10.30564/jmmr.v5i1.4571
170 (Abstract) 95 (Download)

Abstract:
Oman Sea is connecting belt between the Indian Ocean and Persian
Gulf. Because it strategic and environmental aim, presence of natural
radionuclide 226Ra, 232Th, 40K and 137Cs as man-made element is considered.
Water samples were taken from 36 marine spots at the coastal strip from
Hormoz canyon to Goatr seaport in the northern coast of Oman Sea.
Correspondence analysis is... More
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Article
Determination of Hydrodynamic Parameters of Chitosan Stabilized Bimetallic Nanoparticles
Vokhidova N. R., Rashidova S. Sh.

32-37

Article ID: 4566 DOI：https://doi.org/10.30564/jmmr.v5i1.4566
227 (Abstract) 111 (Download)

Abstract:
The hydrodynamic characteristics of bimetallic Ag/Cu and Co/Ag nanopar
ticles stabilized by chitosan were determined. The polydispersity index
and the diameter of nanoparticles were observed to decrease in contrast to
the original polymer during the creation of chitosan stabilized bimetallic
nanoparticles, decreasing from 0.342 to 0.12±0.04 and 2.5 micron to 180
nm, respectively. However, the diffusion coefficient of chitosan was... More
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Journal of Metallic Material Research

The Influence of Friction Time on the Joint Interface and Mechanical Properties in Dissimilar Friction Welds

Influence of Nanoparticle Shapes of Boehmite Alumina on the Thermal Performance of a Straight Microchannel Printed Circuit Heat Exchanger

Interpretation of Water Samples by Correspondence Analysis for Radioactive Elements in the Northern Coast of Oman Sea

Determination of Hydrodynamic Parameters of Chitosan Stabilized Bimetallic Nanoparticles