机械工程设计第七版

1 introduction
1-1 design
1-2 mechanical engineering design
1-3 interaction between design process elements
1-4 design tools and resources
1-5 the design engineer's professional responsibilities
1-6 codes and standards
1-7 economics
1-8 safety and product liability
1-9 the adequacy assessment
1-10 uncertainty
1-11 stress and strength
1-12 design factor and factor of safety
1-13 reliability
1-14 units and preferred units
1-15 calculations and significant figures
problems
2 failture resulting from static loading
2-1 static strength
2-2 stress concentration
2-3 failure theories
2-4 maximum-shear-stress theory for ductile materials
2-5 distortion-energy theory for ductile materials
2-6 coulomb-mohr theory for ductile materials
2-7 failure of ductile materials summary
2-8 maximum-normal-stress theory for brittle materials
2-9 modifications of the mohr theory for brittle materials
2-10 failure of brittle materials summary
2-11 selection of failure criteria
2-12 static or quasi-static loading on a shaft
2-13 introduction to fracture mechanics
2-14 stochastic analysis
problems
3 fatigue failture resulting from variable loading
3-1 introduction to fatigue in metals
3-2 approach to fatigue failure in analysis and design
3-3 fatigue-life methods
3-4 the stress-life method
3-5 the strain-life method
3-6 the linear-elastic fracture mechanics method
3-7 the endurance limit
3-8 fatigue strength
3-9 endurance limit modifying factors
3-10 stress concentration and notch sensitivity
3-11 characterizing fluctuating stresses
3-12 fatigue failure criteria for fluctuating stress
3-13 torsional fatigue strength under fluctuating stresses
3-14 combinations of loading modes
3-15 varying, fluctuating stresses; cumulative fatigue damage
3-16 surface fatigue strength
3-17 stochastic analysis
problems
4 flexible mechanical elements
4-1 belts
4-2 flat-and round-beh drives
4-3 v belts
4-4 timing belts
4-5 roller chain
4-6 wire rope
4-7 flexible shafts
problems
5 gears--force analysis
6 spur and helical gears
7 bevel and worm gears
8 lubrication and journal bearings
9 rolling-contact bearings
10 shafts and axles
11 screws, fasteners, and the design of nonpermanent joints
12 clutches, brakes, couplings, and flywheels
13 mechanical springs
appendix a useful tables
appendix b answers to selected problems