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Analysis of Fracture Toughness Mechanism in Ultra-fine-grained Steels

2014-09-04 Technology & Engineering
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Release : 2014-09-04
Genre : Technology & Engineering
Kind : eBook
Book Rating : 992/5 ( reviews)

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Book Synopsis Analysis of Fracture Toughness Mechanism in Ultra-fine-grained Steels by : Toshihiro Hanamura

Download or read book Analysis of Fracture Toughness Mechanism in Ultra-fine-grained Steels written by Toshihiro Hanamura. This book was released on 2014-09-04. Available in PDF, EPUB and Kindle. Book excerpt: In this book, advanced steel technologies mainly developed at the National Institute for Materials Science (NIMS), Japan, for structure control, mechanical properties, and the related mechanisms are introduced and discussed. NIMS has long worked on developing advanced steel techniques, namely, producing advanced steels by using only simple alloying elements such as carbon, manganese, and silicon, and also by utilizing steel scrap. The hope is that this approach will lead to a technology of a so-called steel-to-steel recycling process, with the ultimate goal of a recycling process such as an automotive-steel-to-automotive-steel recycling process to take the place of the current cascade-type recycling system. The main idea is to utilize ultra-grain refining structures and hetero structures as well as martensite structures. In particular, the focus of this book is on tensile strength and toughness of advanced steels from both the fundamental and engineering points of view. Fundamentally, a unique approach to analysis is taken, based on fracture surface energy as effective grain size is employed to better understand the mechanism of property improvement. From the engineering point of view, in fracture toughness such factors as crack tip opening displacement (CTOD) of advanced steels are evaluated in comparison with those of conventional steels.

Ultra-Fine Grained Steels

2009-04-08 Technology & Engineering
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Release : 2009-04-08
Genre : Technology & Engineering
Kind : eBook
Book Rating : 308/5 ( reviews)

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Book Synopsis Ultra-Fine Grained Steels by : Yuqing Weng

Download or read book Ultra-Fine Grained Steels written by Yuqing Weng. This book was released on 2009-04-08. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses results of the New Generation Iron and Steel Materials research project funded over the last ten years. It thoroughly describes theoretical achievements in ultra-fine grain steel and its refinement. It also discusses progress in related areas of engineering and technology. The author has been engaged in the research of new generation structural materials for the last twelve years being Chief Scientist of three national research programs in China.

Ultrafine-Grain Steels

2016-04-11
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Release : 2016-04-11
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Kind : eBook
Book Rating : 670/5 ( reviews)

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Book Synopsis Ultrafine-Grain Steels by : Maria Jose Quintana

Download or read book Ultrafine-Grain Steels written by Maria Jose Quintana. This book was released on 2016-04-11. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, both the steelmaking industry and laboratories in different parts of the world, have shown an increasing interest in reaching an industrial-level production of ultrafine grained steels (also known as ultrafine ferrite), which have a grain size d lower than 5 μm, and enhanced mechanical resistance and fracture toughness. At room temperature, the capacity of the material to be deformed during bending or drawing operations (typical of requirements for automotive parts applications) depends on the interaction of a hard and a soft phase in the microstructure. On the other hand, at high temperatures, these steels may show superplastic behavior if deformed at a precise combination of temperature and strain rate.

Fracture Mechanics

2016-10-19 Technology & Engineering
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Release : 2016-10-19
Genre : Technology & Engineering
Kind : eBook
Book Rating : 08X/5 ( reviews)

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Book Synopsis Fracture Mechanics by : Lucas Alves

Download or read book Fracture Mechanics written by Lucas Alves. This book was released on 2016-10-19. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of 13 chapters divided into seven sections: Section I: "General Foundations of the Stress Field and Toughness" with one chapter, Section II: "Fractography and Impact Analysis" with two chapters, Section III: "Toughness Fracture" with three chapters, Section IV: "Fracture Behavior" with two chapters, Section V: "Natural and Hydraulic Fractures" with two chapters, section VI: "Fatigue" with one chapter and Section VII: "Fracture Biomaterials and compatible" with two chapters. This book covers a wide range of application of fracture mechanics in materials science, engineering, rock prospecting, dentistry and medicine. The book is aimed towards materials scientists, metallurgists, mechanical and civil engineers, doctors and dentists and can also be well used in education, research and industry.

Heterostructured Materials

2021-11-24 Technology & Engineering
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Release : 2021-11-24
Genre : Technology & Engineering
Kind : eBook
Book Rating : 32X/5 ( reviews)

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Book Synopsis Heterostructured Materials by : Xiaolei Wu

Download or read book Heterostructured Materials written by Xiaolei Wu. This book was released on 2021-11-24. Available in PDF, EPUB and Kindle. Book excerpt: Heterostructured (HS) materials represent an emerging class of materials that are expected to become a major research field for the communities of materials, mechanics, and physics in the next couple of decades. One of the biggest advantages of HS materials is that they can be produced by large-scale industrial facilities and technologies and therefore can be commercialized without the scaling up and high-cost barriers that are often encountered by other advanced materials. This book collects recent papers on the progress in the field of HS materials, especially their fundamental physics. The papers are arranged in a sequence of chapters that will help new researchers entering the field to have a quick and comprehensive understanding of HS materials, including the fundamentals and recent progress in their processing, characterization, and properties.

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