MiCon 78

MiCon 78

Author: Halle Abrams

Publisher: ASTM International

Published: 1979

Total Pages: 658

ISBN-13:

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Microstructural Control in Microalloyed Steels

Microstructural Control in Microalloyed Steels

Author: M. Cohen

Publisher:

Published: 1979

Total Pages: 19

ISBN-13:

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High-strength low-alloy (HSLA) steels constitute a classic metallurgical development in which alloying additions and thermomechanical processing have been brought together effectively to attain desired combinations of engineering properties through microstructural control. Moreover, the microstructural control is relatively inexpensive because the alloying elements are used only in small concentrations as carbide-formers, and the associated thermomechanical processing is introduced merely as a modification of the final hot-rolling operation. A key feature of the resulting microstructure is the small ferritic grain size that provides a favorable balance of strength and toughness in the as-rolled steel.


Control of Microstructures and Properties in Steel Arc Welds

Control of Microstructures and Properties in Steel Arc Welds

Author: Lars-Erik Svensson

Publisher: Routledge

Published: 2017-09-20

Total Pages: 254

ISBN-13: 1351457969

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Control of Microstructures and Properties in Steel Arc Welds provides an overview of the most recent developments in welding metallurgy. Topics discussed include common welding processes, the thermal cycle during welding, defects that may occur during the welding process, the metallurgy of the material, metallurgical processes in the heat-affected zone and the fused metal, and the relationship between microstructures and mechanical properties. The book's final chapter presents examples of welded joints, illustrating how modern theories are capable of predicting the microstructure and properties of these joints. This book is an excellent resource for welding engineers, metallurgists, materials scientists, and others interested in the subject.


Microstructure Evolution in Metal Forming Processes

Microstructure Evolution in Metal Forming Processes

Author: J Lin

Publisher: Elsevier

Published: 2012-07-09

Total Pages: 409

ISBN-13: 0857096346

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Monitoring and control of microstructure evolution in metal processing is essential in developing the right properties in a metal. Microstructure evolution in metal forming processes summarises the wealth of recent research on the mechanisms, modelling and control of microstructure evolution during metal forming processes. Part one reviews the general principles involved in understanding and controlling microstructure evolution in metal forming. Techniques for modelling microstructure and optimising processes are explored, along with recrystallisation, grain growth, and severe plastic deformation. Microstructure evolution in the processing of steel is the focus of part two, which reviews the modelling of phase transformations in steel, unified constitutive equations and work hardening in microalloyed steels. Part three examines microstructure evolution in the processing of other metals, including ageing behaviour in the processing of aluminium and microstructure control in processing nickel, titanium and other special alloys. With its distinguished editors and international team of expert contributors, Microstructure evolution in metal forming processes is an invaluable reference tool for metal processors and those using steels and other metals, as well as an essential guide for academics and students involved in fundamental metal research. Summarises the wealth of recent research on the mechanisms, modelling and control of microstructure evolution during metal forming processes Comprehensively discusses microstructure evolution in the processing of steel and reviews the modelling of phase transformations in steel, unified constitutive equations and work hardening in microalloyed steels Examines microstructure evolution in the processing of other materials, including ageing behaviour in the processing of aluminium


Functions of Tungsten Alloying in Microalloyed Steels

Functions of Tungsten Alloying in Microalloyed Steels

Author: Jingwei Zhao

Publisher: Nova Science Publishers

Published: 2014

Total Pages: 0

ISBN-13: 9781633211490

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Tungsten alloying in microalloyed steels is of growing academic and industrial interests due to its positive role in the aspects of microstructural modification and properties improvement. This book has systematically described the functions of tungsten alloying in microalloyed steels. Topics covered include the effects of tungsten on the phase transformation behaviour of microalloyed steels by establishing the continuous cooling transformation diagrams in order to control the expected microstructure and the required mechanical properties; the effects of tungsten on the characteristics of precipitated particles in microalloyed steels; the microstructural evolution of microalloyed steels including grain size, phase component, pearlite interlamellar spacing, allotriomorphic ferrite and acicular ferrite after tungsten addition; the effects of tungsten on mechanical properties of microalloyed steels by means of hardness, impact toughness and room/low-temperature tensile properties tests; strategies for heat treatment of microalloyed steels with the purpose of determining the optimal heat treatment conditions for microalloyed steels with different tungsten additions; improvement of the corrosion resistance of microalloyed steels after tungsten addition; and the effects of tungsten on the hydrogen embrittlement behaviour of microalloyed steels. The text of this book is up-to-date, informative, readable and self-contained. It is not only a technical document that can be used in the research and development of tungsten alloying in microalloyed steels, but also a scientific and valuable literature for the metallurgists, engineers, materials scientists, academics and higher degree research students who make, use, study and design with steels and tungsten worldwide by introducing the latest research findings and achievements of tungsten alloying in microalloyed steels, and considering the metallurgical basis for steel research.


HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015

HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015

Author: The Chinese Society for Metals

Publisher: Springer

Published: 2017-03-22

Total Pages: 1147

ISBN-13: 3319487671

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This is a collection of papers presented at the joint conference of the 7th International Conference on High Strength Low Alloy Steels (HSLA Steels 2015), the International Conference on Microalloying 2015 (Microalloying 2015), and the International Conference on Offshore Engineering Steels 2015 (OES 2015). The papers focus on the exchange of the latest scientific and technological progresses on HSLA steels, microalloying steels, and offshore engineering steels over the past decades. The contributions are intended to strengthen cooperation between universities and research institutes, and iron and steel companies and users, and promote the further development in the fields all over the world.


Advances in Microalloyed Steels

Advances in Microalloyed Steels

Author: Pello Uranga

Publisher: MDPI

Published: 2021-03-04

Total Pages: 236

ISBN-13: 3036501320

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In response to the demanding requirements of different sectors, such as construction, transportation, energy, manufacturing, and mining, new generations of microalloyed steels are being developed and brought to market. The addition of microalloying elements, such as niobium, vanadium, titanium, boron, and/or molybdenum, has become a key tool in the steel industry to reach economically-viable grades with increasingly higher mechanical strength, toughness, good formability, and weldable products. The challenges that microalloying steel production faces can be solved with a deeper understanding of the effects that these microalloying additions and combinations of them have during the different steps of the steelmaking process.


MiCon 78

MiCon 78

Author: Halle Abrams

Publisher: ASTM International

Published: 1979

Total Pages: 676

ISBN-13: 9780803105171

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