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Selected Papers from ICAMSME 2022
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Selected Papers from ICAMSME 2022

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 18485

Special Issue Editors

Prof. Dr. Jong Wan Hu

E-Mail Website
Guest Editor
Department of Civil and Environmental Engineering, Incheon National University, Incheon, Republic of Korea
Interests: seismic design; smart structures; concrete materials; reinforced concrete; structural experiments; performance evaluation; finite element analysis
Special Issues, Collections and Topics in MDPI journals
Dr. Junwon Seo

E-Mail Website
Guest Editor
Associate Professor, Department of Civil and Environmental Engineering, South Dakota State University, Brookings, SD 57007, USA
Interests: image-based seismic vulnerability and resiliency assessment; multihazard simulation of renewable energy structures; structural behavior examination of irregular structures; self-consolidating concrete; structural health monitoring; reliability analysis; load rating estimation of various bridge types; field testing and computational analyses; lateral live-load distribution factor examination
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The International Conference on Advanced Materials, Structures and Mechanical Engineering (ICAMSME 2022) will take place at Incheon National University, Incheon, South-Korea, March 18-20, 2022. The ICAMSME is an annual conference aimed at presenting the current research being carried out in the fields of materials, structures, and mechanical engineering. The idea of the conference is for scientists, scholars, engineers, and students from universities, research institutes, and industries all around the world to present their ongoing research activities.

Special Issue papers can only be accepted through conference paper submission. The high-quality papers from conference can be provided a 25% discount. It is envisaged that this conference will allow for the free exchange of ideas and challenges among participants and encourage future collaboration between members of these groups. The conference will also foster cooperation among organizations and researchers involved in the merging fields and provide in-depth technical presentations with abundant opportunities for individual discussions with the presenters.

Prof. Dr. Jong Wan Hu
Prof. Dr. Junwon Seo
Guest Editors

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Published Papers (5 papers)

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Research

18 pages, 7926 KiB  
Article
Investigation of the Mechanical Properties of Additively Manufactured Metal Parts with Different Relative Densities
by Itthidet Thawon, Thongchai Fongsamootr, Yuttana Mona and Pana Suttakul
Appl. Sci. 2022, 12(19), 9915; https://doi.org/10.3390/app12199915 - 1 Oct 2022
Cited by 13 | Viewed by 3321
Abstract
Currently, metal additive manufacturing (MAM) has been receiving more attention in many sectors for its production of metal parts because MAM effortlessly enables the fabrication of complex metal parts and provides faster and more sustainable manufacturing than conventional processes. Recently, a MAM-using bound [...] Read more.
Currently, metal additive manufacturing (MAM) has been receiving more attention in many sectors for its production of metal parts because MAM effortlessly enables the fabrication of complex metal parts and provides faster and more sustainable manufacturing than conventional processes. Recently, a MAM-using bound metal deposition (BMD) has been proposed as a user-friendly manufacturing method that can provide low-volume production, economical metal parts, and operation safety. Since the BMD technique is new, information on the mechanical properties of MAM parts using this technique has not been sufficiently provided. This paper aims to study the mechanical properties of MAM parts manufactured by the BMD technique, examining the elastic modulus, yield strength, ultimate strength, and fatigue behavior of the parts with different relative densities. The MAM parts made from 316L and 17-4PH stainless steel were investigated using tensile and fatigue tests. Some mechanical properties of the infill parts in this study were validated with formulas from the literature. The weight efficiency is used as an index to assess the efficiency of the infill parts with different densities by examining the relationship between the mechanical properties and the weight of the MAM parts. The experimental results and a discussion of the weight efficiency assessment are presented as a novel information report on MAM products fabricated by BMD technology. Full article
(This article belongs to the Special Issue Selected Papers from ICAMSME 2022)
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13 pages, 4856 KiB  
Article
Tensile Test Analysis of Tire Tread Rubber’s Tendency to Resist Cracks
by Ingyu Noh, Sangyeop Hong and Jaehoon Kim
Appl. Sci. 2022, 12(15), 7931; https://doi.org/10.3390/app12157931 - 8 Aug 2022
Cited by 4 | Viewed by 2243
Abstract
Among the various components of a tire, this study explores the tread portion, which has the longest contact with the ground during the summer, all-weather, and in the winter. The mechanical properties of three types of tread crack specimens were measured, and a [...] Read more.
Among the various components of a tire, this study explores the tread portion, which has the longest contact with the ground during the summer, all-weather, and in the winter. The mechanical properties of three types of tread crack specimens were measured, and a stress–strain diagram for each specimen at low and high speeds was derived. Through the digital image correlation method, the crack tip opening displacement and angle were considered as fracture parameters and derived through equations. Subsequently, the different fracture progression regions were compared and analyzed to confirm the characteristics of the elastic displacement field. It was found that under both low- and high-speed conditions, the maximum elastic strains for the tread specimens were attained in the following order: summer, all-weather, and winter. Full article
(This article belongs to the Special Issue Selected Papers from ICAMSME 2022)
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15 pages, 9674 KiB  
Article
Microstructural Variation and Evaluation of Formability According to High-Temperature Compression Conditions of AMS4928 Alloy
by Jae-Gwan Lee, Pyeong-Seok Jo, Chang-Yong Choi, Hee-Sang Park and Dong-Geun Lee
Appl. Sci. 2022, 12(15), 7621; https://doi.org/10.3390/app12157621 - 28 Jul 2022
Cited by 2 | Viewed by 1439
Abstract
Ti-6Al-4V alloys are used in various industrial fields such as aircraft parts due to its excellent specific strength and mechanical properties. A high-temperature forming technology has been applied because it is difficult to process complex shapes. During the high-temperature forming process, the microstructure [...] Read more.
Ti-6Al-4V alloys are used in various industrial fields such as aircraft parts due to its excellent specific strength and mechanical properties. A high-temperature forming technology has been applied because it is difficult to process complex shapes. During the high-temperature forming process, the microstructure changes significantly due to temperature, strain rate, reduction ratio, and other process variables, and mechanical properties of high-temperature molded products are changed accordingly. Therefore, in this study, a high-temperature compression test was performed on AMS4928, which is one of Ti-6Al-4V alloys used as a material for aircraft parts, and the severe plastic deformation and dead zone were confirmed in connection with the processing map. The changes in microstructure were comparatively analyzed. In addition, it was confirmed that there was a difference in formability due to grain refinement by dynamic recrystallization, and optimal high-temperature forming conditions were derived by linking and analyzing the formability and microstructural factors. Full article
(This article belongs to the Special Issue Selected Papers from ICAMSME 2022)
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11 pages, 7919 KiB  
Article
Effect of Molybdenum Content on Microstructure and Mechanical Properties of Ti-Mo-Fe Alloys by Powder Metallurgy
by Hyo-Woon Hwang, Ji-Hwan Park and Dong-Geun Lee
Appl. Sci. 2022, 12(14), 7257; https://doi.org/10.3390/app12147257 - 19 Jul 2022
Cited by 9 | Viewed by 2631
Abstract
Titanium has many limitations in coverage and frequency of application due to its expensive alloying elements and complex manufacturing process. The biocompatible Ti-Mo-Fe ternary beta titanium alloys were designed by replacing high-cost beta-stabilizer elements (V, Nb, Zr, etc.) with low-cost Mo and Fe [...] Read more.
Titanium has many limitations in coverage and frequency of application due to its expensive alloying elements and complex manufacturing process. The biocompatible Ti-Mo-Fe ternary beta titanium alloys were designed by replacing high-cost beta-stabilizer elements (V, Nb, Zr, etc.) with low-cost Mo and Fe elements. In addition, it was attempted to obtain a low-cost, high-strength beta-titanium alloy with 800 MPa or more by applying the powder metallurgy process technology to the Ti-Mo-Fe alloy system. The added Mo element has the effect of reducing the elastic modulus of the titanium alloy without reducing its strength. In this study, Ti-Mo-Fe alloys designed with different Mo contents were fabricated using a powder metallurgy process and analyzed in connection with microstructural properties, phase changes, and mechanical properties. As Mo contents are increased, the α-lath thickness of Widmanstätten decreases and the size of prior β grain decreases. It was confirmed that the hardness and tensile strength were excellent and were compared with the ingot material of the same alloy system. Full article
(This article belongs to the Special Issue Selected Papers from ICAMSME 2022)
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21 pages, 8866 KiB  
Article
Process to Establish the Enhance of Fatigue Life of New Mechanical System Such as a Drawer by Accelerated Tests
by Seongwoo Woo, Dennis L. O’Neal and Yimer Mohammed Hassen
Appl. Sci. 2022, 12(9), 4497; https://doi.org/10.3390/app12094497 - 28 Apr 2022
Cited by 1 | Viewed by 2140
Abstract
To extend the life of a mechanical system, parametric Accelerated Life Testing (ALT) is proposed as a procedure to identify design faults and reduce fatigue failure. It includes a derivation of generalized time to failure model by linear transport process and a sample [...] Read more.
To extend the life of a mechanical system, parametric Accelerated Life Testing (ALT) is proposed as a procedure to identify design faults and reduce fatigue failure. It includes a derivation of generalized time to failure model by linear transport process and a sample size equation for the ALT. A refrigerator drawer was used as an example. After loading, the rail rollers broke and the center support was bent. Ribs were added to the center support and the rail roller support was extended. At the first ALT, the box cover failed near the intersection between the cover and body. The box was then modified by increasing the rib and fillet. At the second ALT, the rails and center support fractured. They were altered by increasing the rib and corner rounding. After the third ALT, there were no issues. The drawer lifetime was ensured to be B1 life 10 years. Full article
(This article belongs to the Special Issue Selected Papers from ICAMSME 2022)
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