![]() ![]() 1 Source: MECHANICAL DESIGN HANDBOOK CHAPTER PROPERTIES OF ENGINEERING MATERIALS Theodore Gela, D.Eng.Sc Professor Emeritus of Metallurgy Stevens Institute of Technology Hoboken, N.J 6.1 MATERIAL-SELECTION CRITERIA IN ENGINEERING DESIGN 6.1 6.2 STRENGTH PROPERTIES: TENSILE TEST AT ROOM TEMPERATURE 6.2 6.3 ATOMIC ARRANGEMENTS IN PURE METALS: CRYSTALLINITY 6.5 6.4 PLASTIC DEFORMATION OF METALS 6.6 6.5 PROPERTY CHANGES RESULTING FROM COLD-WORKING METALS 6.9 6.6 THE ANNEALING PROCESS 6.11 6.7 THE PHASE DIAGRAM AS AN AID TO ALLOY SELECTION 6.12 6.8 HEAT-TREATMENT CONSIDERATIONS FOR STEEL PARTS 6.15 6.9 SURFACE-HARDENING TREATMENTS 6.12 NOTCHED IMPACT PROPERTIES: CRITERIA FOR MATERIAL SELECTION 6.25 6.13 FATIGUE CHARACTERISTICS FOR MATERIALS SPECIFICATIONS 6.28 6.14 SHEAR AND TORSIONAL PROPERTIES 6.29 6.15 MATERIALS FOR HIGH-TEMPERATURE APPLICATIONS 6.30 6.15.1 Introduction 6.30 6.15.2 Creep and Stress: Rupture Properties 6.30 6.15.3 Heat-Resistant Superalloys: Thermal Fatigue 6.31 6.16 MATERIALS FOR LOW-TEMPERATURE APPLICATIONS 6.33 6.17 RADIATION DAMAGE 6.35 6.18 PRACTICAL REFERENCE DATA 6.37 9.21 6.10 PRESTRESSING 6.23 6.11 SOME PRACTICAL CONSIDERATIONS OF INDUCED RESIDUAL STRESSES IN ALLOYS 6.23 6.1 MATERIAL-SELECTION CRITERIA IN ENGINEERING DESIGN The selection of materials for engineering components and devices depends upon knowledge of material properties and behavior in particular environmental states Although a criterion for the choice of material in critically designed parts relates to the performance in a field test, it is usual in preliminary design to use appropriate data obtained from standardized tests The following considerations are important in material selection: Elastic properties: stiffness and rigidity Plastic properties: yield conditions, stress-strain relations, and hysteresis Time-dependent properties: elastic phenomenon (damping capacity), creep, relaxation, and strain-rate effect Fracture phenomena: crack propagation, fatigue, and ductile-to-brittle transition Thermal properties: thermal expansion, thermal conductivity, and specific heat Chemical interactions with environment: oxidation, corrosion, and diffusion 6.1 Downloaded from Digital Engineering Library McGraw-Hill (Copyright © 2006 The McGraw-Hill Companies All rights reserved Any use is subject to the Terms of Use as given at the website Rothbart_CH06.qxd 2/24/06 10:35 AM. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |