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تعداد نتایج: 303

Aerospace Materials and Material Technologies

Volume 2: Aerospace Material Technologies

By N. Eswara Prasad, R.J.H. Wanhill
Publisher: Springer, 2016-11-07
Pages: 568
Language: en
ISBN_13:9789811021435
ISBN_10:9811021430
Subject: Technology & Engineering

Aerospace Materials and Material Technologies

Volume 1: Aerospace Materials

جزئیات و درخواست

By N. Eswara Prasad, R. J. H. Wanhill
Publisher: Springer, 2016-11-11
Pages: 594
Language: en
ISBN_13:9789811021343
ISBN_10:9811021341
Subject: Technology & Engineering

Novel Defence Functional and Engineering Materials (NDFEM) Volume 1

Functional Materials for Defence Applications

جزئیات و درخواست

By Eswara Prasad Namburi
Publisher: Springer Nature,
Pages: 338
Language: en
ISBN_13:9789819997916
ISBN_10:9819997917

Novel Defence Functional and Engineering Materials (NDFEM) Volume 2

Engineering Materials for Defence Applications

جزئیات و درخواست

By Eswara Prasad Namburi
Publisher: Springer Nature,
Pages: 342
Language: en
ISBN_13:9789819997954
ISBN_10:981999795X

Aluminum-Lithium Alloys

Processing, Properties, and Applications

$Because lithium is the least dense elemental metal, materials scientists and engineers have been working for decades to develop a commercially viable aluminum-lithium (Al-Li) alloy that would be even lighter and stiffer than other aluminum alloys. The first two generations of Al-Li alloys tended to suffer from several problems, including poor ductility and fracture toughness; unreliable properties, fatigue and fracture resistance; and unreliable corrosion resistance. Now, new third generation Al-Li alloys with significantly reduced lithium content and other improvements are promising a revival for Al-Li applications in modern aircraft and aerospace vehicles. Over the last few years, these newer Al-Li alloys have attracted increasing global interest for widespread applications in the aerospace industry largely because of soaring fuel costs and the development of a new generation of civil and military aircraft. This contributed book, featuring many of the top researchers in the field, is the first up-to-date international reference for Al-Li material research, alloy development, structural design and aerospace systems engineering. - Provides a complete treatment of the new generation of low-density AL-Li alloys, including microstructure, mechanical behavoir, processing and applications - Covers the history of earlier generation AL-Li alloys, their basic problems, why they were never widely used, and why the new third generation Al-Li alloys could eventually replace not only traditional aluminum alloys but more expensive composite materials - Contains two full chapters devoted to applications in the aircraft and aerospace fields, where the lighter, stronger Al-Li alloys mean better performing, more fuel-efficient aircraft$

جزئیات و درخواست

By N Eswara Prasad, Amol Gokhale, R.J.H Wanhill
Publisher: Butterworth-Heinemann, 2013-09-20
Pages: 596
Language: en
ISBN_13:9780124016798
ISBN_10:0124016790
Subject: Technology & Engineering

Aluminum-Lithium Alloys

Chapter 16. Airworthiness Certification of Metallic Material...

جزئیات و درخواست

By B. Saha, R.J.H. Wanhill, N. Eswara Prasad, G. Gouda, K. Tamilmani
Publisher: Elsevier Inc. Chapters, 2013-09-20
Pages: 27
Language: en
ISBN_13:9780128068540
ISBN_10:012806854X
Subject: Technology & Engineering

Novel Defence Functional and Engineering Materials (NDFEM) Volume 1

Functional Materials for Defence Applications

جزئیات و درخواست

By Eswara Prasad Namburi, R.J.H. Wanhill, Dipak Kumar Setua
Publisher: Springer, 2024-04-02
Language: en
ISBN_10:9819997909
ISBN_13:9789819997909
Subject: Technology & Engineering

Aluminum-Lithium Alloys

Chapter 3. Phase Diagrams and Phase Reactions in Al–Li Alloy...

$The formation of metastable and equilibrium phases in binary Al–Li, ternary Al–Li–Mg and Al–Li–Cu, and quaternary Al–Cu–Li–Mg alloys has been studied by using a variety of experimental techniques including differential scanning calorimetry, electrical resistivity, X-ray diffraction, conventional and high-resolution electron microscopy and 3D atom probe measurements. Al3Li (δ′) is the strengthening phase in binary Al–Li and ternary Al–Li–Mg alloys. Mg reduces the solubility of Li in Al and also substitutes for Li in δ′. The characteristics of θ′ (and θ) and T1 phases in Al–Li–Cu alloys and the composition limits where these phases are formed are well understood. For low Li contents (1.4–1.5%). Formation of T1 is promoted by small additions of Ag and Mg and by cold work prior to artificial aging. Zr forms the metastable β′ (Al3Zr) phase, which has an appreciable effect on retarding recrystallization besides providing nucleation sites for composite δ′ particles. Sc and Yb additions behave in a similar way; the added advantage is improved creep strength. The available information from phase equilibria studies of Al–Li–Cu–Mg alloys is somewhat limited, but sufficient to give an indication of the desirable solution treatment and aging temperatures and the phases formed at these temperatures. 3D atom probe studies suggest the involvement of Mg atoms in the formation of clusters which lead to the formation of the T1 phase, during artificial ageing of aging of quenched Al–Cu–Mg–Ag alloys. All these aspects are covered in detail, with specific reference to different commercial and semi-commercial Al–Li alloys, wherever possible.$

جزئیات و درخواست

By N. Eswara Prasad, T.R. Ramachandran
Publisher: Elsevier Inc. Chapters, 2013-09-20
Pages: 49
Language: en
ISBN_13:9780128068410
ISBN_10:0128068418
Subject: Technology & Engineering

Aluminum-Lithium Alloys

Chapter 11. Fatigue Behavior of Aluminum–Lithium Alloys

$The low cycle fatigue (LCF) and high cycle fatigue (HCF) properties of Al–Li alloys are influenced by alloy composition, microstructural characteristics, tensile stretching prior to artificial aging, and crystallographic texture. In general the fatigue properties, notably the notched HCF resistances, of Al–Li alloys are similar to those of conventional aerospace aluminium alloys. Alloy development programs on newer Al–Li alloys aim to study further the effects of minor alloying additions (rare earths, beryllium, silver and TiB); various thermomechanical treatments; alloy microstructure, notably crystallographic texture and grain size; and the fatigue load history and environment on the mechanical behavior, including the fatigue properties. It is important to note that the occurrence of bilinearity in LCF life-dependence on strain amplitude in most Al–Li alloys engenders the overestimation of the LCF lives in both the hypo-transition (lower strain amplitudes; longer fatigue lives) and hyper-transition (higher strain amplitudes; shorter fatigue lives) regions if the lives are estimated by extrapolation from either of these regions. Further, in cases such as in Al-Li alloys where there are large differences in strength-based (Basquin-like) and plastic strain – based (Coffin-Manson) power-law relationships, it is appropriate to develop an alloy design philosophy based on either plastic strain energy per cycle (Halford-Morrow) or fatigue toughness (total plastic strain energy to fracture). All of these aspects are discussed in detail in this chapter.$

جزئیات و درخواست

By N. Eswara Prasad, T.S. Srivatsan, R.J.H. Wanhill, G. Malakondaiah, V.V. Kutumbarao
Publisher: Elsevier Inc. Chapters, 2013-09-20
Pages: 52
Language: en
ISBN_13:9780128068496
ISBN_10:0128068493
Subject: Technology & Engineering

Aluminum-Lithium Alloys

Chapter 10. Quasi-Static Strength, Deformation, and Fracture...

$The emergence of Al–Li alloys as potential light metal, for safe use in a spectrum of aircraft structures and related aerospace applications has in recent years engendered an unprecedented widespread interest aimed at studying, understanding and improving their mechanical properties. In this chapter, we present and discuss some of the key aspects relevant to aluminum-lithium alloys, spanning the specific domain of precipitation kinetics as influenced by composition and heat treatment, intrinsic microstructural features and their effects, the fundamental mechanisms contributing to strength, ductility, fracture toughness, and overall anisotropy in mechanical properties of these alloys. The tensile behavior of representative first generation, second generation and third generation aluminum-lithium alloys is also presented and briefly discussed. Microstructural influences on mechanical properties are examined with specific reference to matrix microstructural features, dislocation-microstructural feature interaction, and matrix slip characteristics.$

جزئیات و درخواست

By T.S. Srivatsan, Enrique J. Lavernia, N. Eswara Prasad, V.V. Kutumbarao
Publisher: Elsevier Inc. Chapters, 2013-09-20
Pages: 44
Language: en
ISBN_13:9780128068489
ISBN_10:0128068485
Subject: Technology & Engineering

Aluminum-Lithium Alloys

Chapter 4. Microstructure and Precipitate Characteristics of...

$This chapter reviews the precipitation and precipitate phases that occur during heat treatments in multi-component Al-Li based alloys. It describes aspects related to nucleation, growth, morphology and orientation relationships of the strengthening precipitates δ’ and T1, the toughening precipitate S’ and the recrystallisation-inhibiting precipitate β’. Equilibrium precipitate phases such as T2, which are deleterious to the mechanical and corrosion properties of the alloys, are also described. It is shown that careful alloy chemistry control, two-step homogenization and controlled stretching prior to ageing can be employed to improve the volume fraction and distribution of the precipitate phases. All these processing aspects are necessary to achieve optimum combinations of properties for the alloys.$

جزئیات و درخواست

By K. Satya Prasad, N. Eswara Prasad, Amol A. Gokhale
Publisher: Elsevier Inc. Chapters, 2013-09-20
Pages: 52
Language: en
ISBN_13:9780128068427
ISBN_10:0128068426
Subject: Technology & Engineering

By B. Raj
Publisher: Universities Press, 2005
Pages: 882
Language: en
ISBN_10:8173715076
ISBN_13:9788173715075
Subject: Technology & Engineering

Advances in Fracture Research

Proceedings of the 7th International Conference on Fracture ...

$Held every four years, the International Congress on Fracture is the premier international forum for the exchange of ideas between scientists and engineers involved in producing and using materials resistant to fracture and fatigue. This major six-volume work which forms the proceedings of the Seventh International Congress on Fracture therefore provides the most comprehensive account available of the current status of research into fracture and fatigue, and the application of this knowledge to the design, fabrication and operation of materials and structures. As such, it will be an essential reference for materials scientists and mechanical, structural, aeronautical and design engineers with an interest in fracture and its prevention.$

جزئیات و درخواست

By K. Salama, D.M.R. Taplin, P. Rama Rao, K. Ravi-Chandar
Publisher: Elsevier, 2013-10-22
Pages: 3063
Language: en
ISBN_13:9781483294063
ISBN_10:1483294064
Subject: Technology & Engineering

Advances in Fracture Research

$Fracture is a major cause of failure in metallic and non-metallic materials and structures. An understanding of the micro- and macro- mechanisms of fracture enables materials scientists to develop materials with high fracture resistance, which in turn helps engineers and designers to ensure the soundness and integrity of structures made from these materials. The International Congress on Fracture is held every four years and is an occasion to take stock of the major achievements in the broad field of fracture, to honour those who have made lasting contributions to this field, and to reflect on the future directions. ICF9 is published in six volumes covering the areas of:-- Failure Analysis, Remaining Life Assessment, Life Extension and Repair- Failure of Multiphase and Non-Metallic Materials- Fatigue of Metallic and Non-Metallic Materials and Structures- Theoretical and Computational Fracture Mechanics and New Directions- Testing and Characterization Methods, and Interfacial Fracture Mechanics- High Strain Rate Fracture and Impact Mechanics.$

جزئیات و درخواست

By B.L. Karihaloo, Y.-W. Mai, M.I. Ripley, R. O. Ritchie
Publisher: Elsevier, 2012-12-02
Pages: 661
Language: en
ISBN_13:9780080983745
ISBN_10:008098374X
Subject: Technology & Engineering

Structural Intermetallics and Intermetallic Matrix Composites

جزئیات و درخواست

By Rahul Mitra
Publisher: CRC Press, 2015-04-28
Pages: 318
Language: en
ISBN_13:9781466511880
ISBN_10:1466511885
Subject: Technology & Engineering

Metallurgy and Design of Alloys with Hierarchical Microstructures

جزئیات و درخواست

By Krishnan K. Sankaran, Rajiv S. Mishra
Publisher: Elsevier, 2017-06-14
Pages: 508
Language: en
ISBN_13:9780128120255
ISBN_10:0128120258
Subject: Technology & Engineering

Applications of Computation in Mechanical Engineering

Select Proceedings of 3rd International Conference on Comput...

جزئیات و درخواست

By Dean Vučinić, Vidya Chandran, Alam Md. Mahbub, C. B. Sobhan
Publisher: Springer Nature, 2022-11-28
Pages: 378
Language: en
ISBN_13:9789811960321
ISBN_10:9811960321
Subject: Technology & Engineering

Coated and Laminated Textiles for Aerostats and Airships

Material Challenges and Technology

جزئیات و درخواست

By Mangala Joshi
Publisher: CRC Press, 2022-03-28
Pages: 330
Language: en
ISBN_13:9780429780653
ISBN_10:0429780656
Subject: Technology & Engineering

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