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Modern Concepts in Material Science最新文献

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Improving the Lifetime of Mechanical System Such as Hinge Kit System Subjected to Repeated Impact Stress 提高铰链套件系统等机械系统在反复冲击应力作用下的寿命
Modern Concepts in Material Science Pub Date : 2020-12-08 DOI: 10.33552/MCMS.2020.03.000568
S. Woo
{"title":"Improving the Lifetime of Mechanical System Such as Hinge Kit System Subjected to Repeated Impact Stress","authors":"S. Woo","doi":"10.33552/MCMS.2020.03.000568","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000568","url":null,"abstract":"To enhance the lifetime of mechanical system, parametric Accelerated Life Testing (ALT) as new systematic reliability method suggests evaluating the design of mechanical systems subjected to repeated stresses, based on failure mechanism and design. This newly developed parametric ALT helps an engineer uncover the missing design parameters (or design flaws) of the mechanical system having an effect on reliability during the product developing process. As a result, companies can circumvent product recalls due to the design flaws from the marketplace. As an experiment instance, the redesign of hinge kit system (HKS) in a domestic refrigerator was investigated.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114198925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrogen Production For Sustainable Environment: Perspective 可持续环境的氢气生产:视角
Modern Concepts in Material Science Pub Date : 2020-11-11 DOI: 10.33552/MCMS.2020.03.000567
D. Dumbre
{"title":"Hydrogen Production For Sustainable Environment: Perspective","authors":"D. Dumbre","doi":"10.33552/MCMS.2020.03.000567","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000567","url":null,"abstract":"Hydrogen acts as an effective energy carrier, which cleanly produces water on its combustion as the only product can be considered as clean fuel for future. Globally, hydrogen is widely attentive in energy sector, which utilizes in power generation, heat distribution, energy storage, transportation and fuel cell applications. It is one of the potential key elements with ability to reduce the current issues such as climate change, energy security, automotive emission and environmental sustainability. However, this transition involves tremendous technological and scientific limitations for hydrogen based energy process. This short report aims to outline the issues related about production of hydrogen which is future energy carrier building-block of sustainable energy system.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"155 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123527923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heat Affected Zone in Welded Metallic Materials 焊接金属材料的热影响区
Modern Concepts in Material Science Pub Date : 2020-11-04 DOI: 10.33552/MCMS.2020.03.000566
Z. Boumerzoug
{"title":"Heat Affected Zone in Welded Metallic Materials","authors":"Z. Boumerzoug","doi":"10.33552/MCMS.2020.03.000566","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000566","url":null,"abstract":"Welding is used extensively for pipe welding, aerospace, aviation, biomedical implants, fabrication of race cars, choppers, etc. Generally, the metallurgy of the welded joint performed by thermal fusion joining process can be categorized into two major regions, the fusion zone (FZ) and the heat-affected zone (HAZ). The heat-affected zone (HAZ) is a region that is thermally affected by the welding treatment. The main difficulty associated with welding is the prevention of unexpected deterioration of properties as a result of the microstructure evolutions which reduce the resistance to brittle fracture in the heat-affected zone (HAZ). Properties of the HAZ are different from those of the base material. According to the literature, the HAZ is the most problematic area in the high strength steels weld. For this reason, many research works investigated this critical zone in welded joint. The main research questions and results related to the HAZ will be presented.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"256 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133647482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
The Reproducibility Crisis in Science from the Perspective of Thin Film Deposition: An Unexpected Approach 从薄膜沉积的角度看科学中的可重复性危机:一种意想不到的方法
Modern Concepts in Material Science Pub Date : 2020-10-12 DOI: 10.33552/MCMS.2020.03.000565
Carlos Morales
{"title":"The Reproducibility Crisis in Science from the Perspective of Thin Film Deposition: An Unexpected Approach","authors":"Carlos Morales","doi":"10.33552/MCMS.2020.03.000565","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000565","url":null,"abstract":"The publication of scientific results in all disciplines, and in particular in Material Science, has geometrically increased in the last decades. Although the quality of the published results seems to follow the same trend, the feeling that we could be facing a reproducibility crisis has become extended within the scientific community. We discuss this issue in relation to thin film deposition techniques such as atomic layer deposition, which should not present deviations on the reported results due to its self-limiting nature. In particular, we put the focus on the necessity of a multipolar approach that takes into account also the global environment in which researchers perform their work.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134231637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electromagnetic Processing for Elaboration of Dissimilar Joints. Case Studies with Aluminum 异种接头加工的电磁加工。铝的个案研究
Modern Concepts in Material Science Pub Date : 2020-10-09 DOI: 10.33552/MCMS.2020.03.000564
S. Marya, Marie Noëlle Avettand Fenoël, C. Khalil, G. Racineux
{"title":"Electromagnetic Processing for Elaboration of Dissimilar Joints. Case Studies with Aluminum","authors":"S. Marya, Marie Noëlle Avettand Fenoël, C. Khalil, G. Racineux","doi":"10.33552/MCMS.2020.03.000564","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000564","url":null,"abstract":"Magnetic pulse welding (MPW) has potential applications where fusion welding is problematic, such as in dissimilar joints or where the very part integrity, as in electronic components, is likely to be threatened by hot environments. The paper describes some critical applications such as: joining of similar joints between Al wire to Al plate for electric and hybrid applications, dissimilar joints of Al to Cu for electrical conductors, Al to Steel for vehicles, Manganin to Copper for cryogenic applications and joining flexible printed circuit boards. The inductor design and the part set up for the aforementioned applications are critical for successful implementation of MPW. Generally, an air gap between the driver part and the opposite stationary part is required. This prerequisite becomes penalizing in mass production. To circumvent this, the authors have developed innovative solutions via localized humps in case of sheets. The paper proposes to discuss process highlights and characterization of the joints.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126496201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Airless Tire: Will this Revolutionary Concept be the Tire of the Future? 无气轮胎:这个革命性的概念会成为未来的轮胎吗?
Modern Concepts in Material Science Pub Date : 2020-09-21 DOI: 10.33552/MCMS.2020.03.000563
U. Sandberg
{"title":"The Airless Tire: Will this Revolutionary Concept be the Tire of the Future?","authors":"U. Sandberg","doi":"10.33552/MCMS.2020.03.000563","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000563","url":null,"abstract":"Conventional pneumatic (air-inflated) tires have dominated the tire market for over a century. However, several tire manufacturers have presented concepts or prototypes for airless tires which use rubber only in the treads, while the load-carrying structure is made of composite materials such as polyurethane, thermoplastics, fiberglass and epoxy laminates, but also eco-friendlier and bio-degradable materials have been proposed. First, some early projects (1989-2008) are described in which a Swedish innovative airless tire concept was tested, resulting in so-called Composite Wheel prototypes. This reduced noise emission and rolling resistance substantially and had excellent wet skid resistance properties while also providing acceptable vehicle handling. However, in full-scale testing, it did not endure an extreme test on a “pot-hole” test track due to a design lapse. Then, a number of concept or prototype airless tires suggested by tire manufacturers in the last 15 years are reviewed. In general, very sparse information have been provided, but they all promise (without scientific proof) significant improvements over pneumatic tires. Advantages are foreseen especially in terms of dramatic reduction in global use of raw materials, use of more eco-friendly materials and much less complicated production. Even 3D-printing can be used in some cases. One of the prototypes is currently tested for use on an electric vehicle in service, with a possible market introduction targeted in 2024. It is concluded that airless tires have substantial potential for initiating a revolution in terms of use of raw materials of which many may be eco-friendly, in addition to significant advantages over","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125414008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A Review of Novel Wooded-Based Sandwich Composite with Paper Honeycomb Core 新型纸蜂窝芯木基夹层复合材料研究进展
Modern Concepts in Material Science Pub Date : 2020-09-15 DOI: 10.33552/MCMS.2020.03.000562
Jingxin Hao
{"title":"A Review of Novel Wooded-Based Sandwich Composite with Paper Honeycomb Core","authors":"Jingxin Hao","doi":"10.33552/MCMS.2020.03.000562","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000562","url":null,"abstract":"Wood-based sandwich composite with paper honeycomb core, because of its high-strength-to-weight-ratio and renewable, has potential use in civil industry, such as furniture product, interior decoration and interior wall. However, the traditional hexagonal honeycomb structure don’t used as loading components in the product because of its weak mechanical properties. Therefore, three types of novel structures of Taiji honeycomb, traditional honeycomb fortified by wood strip, and corrugated honeycomb are introduced in the paper, which provides the currents situation of innovation in the wood-based sandwich composite with soft core.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127624820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanomagnetic Spectroscopy: A Review 机械磁光谱学:综述
Modern Concepts in Material Science Pub Date : 2020-09-01 DOI: 10.33552/MCMS.2020.03.000561
ML Corro
{"title":"Mechanomagnetic Spectroscopy: A Review","authors":"ML Corro","doi":"10.33552/MCMS.2020.03.000561","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000561","url":null,"abstract":"In the last years the Mechanomagnetic Spectroscopy technique has been developed from the PUCOT, improved and successfully used to study magnetic materials. In such technique, based in the reversible Villari effect, we study the magnetostriction at ultrasonic frequencies and different experimental conditions of temperature, polarizing field and stress. We will review the history, the set-up of the technique and some results obtained in different materials as rare earth Dy and ferromagnetic shape memory alloy Ni-Fe-Ga-Co.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"43 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120833770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wood: A Modern Material? 木材:一种现代材料?
Modern Concepts in Material Science Pub Date : 2020-08-12 DOI: 10.33552/MCMS.2020.03.000560
R. Rowell
{"title":"Wood: A Modern Material?","authors":"R. Rowell","doi":"10.33552/MCMS.2020.03.000560","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000560","url":null,"abstract":"It is possible to produce biobased materials from wood that are consistent, uniform, predictable, and reproduceable. Reducing wood to fiber eliminates natural defects present in solid wood. The fiber can be modified with simple chemistry to add durability and stability properties.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132556987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimized Design of the 100-V Silicon Based Power N-Channel LDMOS Transistor 100 v硅基功率n沟道LDMOS晶体管的优化设计
Modern Concepts in Material Science Pub Date : 2020-07-21 DOI: 10.33552/MCMS.2020.03.000559
Shen-Li Chen
{"title":"Optimized Design of the 100-V Silicon Based Power N-Channel LDMOS Transistor","authors":"Shen-Li Chen","doi":"10.33552/MCMS.2020.03.000559","DOIUrl":"https://doi.org/10.33552/MCMS.2020.03.000559","url":null,"abstract":"In power integrated circuits (PICs), it is desirable to minimize the area of a power device region while maximizing its performances (i.e., higher breakdown voltage and lower on-resistance). Therefore, the area of a power device region mainly determines the total chip size and hence the cost. An optimized design of breakdown voltage and on-resistance in a power n-channel lateral-diffused MOSFET (nLDMOS) was investigated in this paper. Two-dimensional process and device simulators, such as the TSUPREM4 and Sentaurus EDA tools, will be used to predict the device characteristic behaviors. Eventually, it can be shown that a 100 V device will have an optimized breakdown voltage about 156.7 volts and on-resistance R on about 40.61 mΩ-cm2 under the V gs -V th = 5 V and LOCOS spacing d= 6 μm situations.","PeriodicalId":297187,"journal":{"name":"Modern Concepts in Material Science","volume":"58-60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116255879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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