微尺度塑性力学

所属分类:力学  
出版时间:2009-5   出版时间:中国科学技术大学出版社   作者:陈少华,王自强 编著   页数:280  

前言

大学最重要的功能是向社会输送人才。大学对于一个国家、民族乃至世界的重要性和贡献度,很大程度上是通过毕业生在社会各领域所取得的成就来体现的。中国科学技术大学建校只有短短的50年,之所以迅速成为享有较高国际声誉的著名大学之一,主要就是因为她培养出了一大批德才兼备的优秀毕业生。他们志向高远、基础扎实、综合素质高、创新能力强,在国内外科技、经济、教育等领域做出了杰出的贡献,为中国科大赢得了“科技英才的摇篮”的美誉。2008年9月,胡锦涛总书记为中国科大建校五十周年发来贺信,信中称赞说:半个世纪以来,中国科学技术大学依托中国科学院,按照全院办校、所系结合的方针,弘扬红专并进、理实交融的校风,努力推进教学和科研工作的改革创新,为党和国家培养了一大批科技人才,取得了一系列具有世界先进水平的原创性科技成果,为推动我国科教事业发展和社会主义现代化建设做出了重要贡献。据统计,中国科大迄今已毕业的5万人中,已有42人当选中国科学院和中国工程院院士,是同期(自1963年以来)毕业生中当选院士数最多的高校之一。其中,本科毕业生中平均每1000人就产生工名院士和700多名硕士、博士,比例位居全国高校之首。还有众多的中青年才俊成为我国科技、企业、教育等领域的领军人物和骨干。在历年评选的“中国青年五四奖章”获得者中,作为科技界、科技创新型企业界青年才俊代表,科大毕业生已连续多年榜上有名,获奖总人数位居全国高校前列。

内容概要

本书系统地介绍了材料微尺度力学行为的尺寸效应实验现象,重点介绍了几种具有代表性的微尺度应变梯度塑性理论及对微尺度实验现象的解释,以及对裂纹尖端微尺度范围内解理断裂的应用。此外,还融会贯通地介绍了国内外学者的原创性工作和创新性学术思想。    全书共8章。第1章介绍了应变梯度塑性理论的应用背景及经典微极理论;第2章介绍了金属材料典型的微尺度力学实验现象;第3至7章介绍了几种典型的应变梯度理论及其应用;第8章介绍了应变梯度理论在微观断裂力学中的应用。    本书适合从事固体微尺度力学、先进材料的微结构设计与力学性能优化、微机电和微电子元件力学行为研究的科技工作者及工程师使用和参考,也可供力学专业及材料专业的高年级本科生和研究生阅读参考。

书籍目录

Preface
to
the
USTC
Alumni's
SeriesPreface1
Introduction
1.1
Brief
introduction
of
experimental
observations
1.2
An
overview
of
strain
gradient
plasticity
theory
1.3
Micro-polar
theory2
Micro-scale
experiments
2.1
Torsion
experiments
on
copper
wires
2.2
Micro-meter
thin-beam
bending
2.3
Micro-meter
particle
reinforced
metal
matrix
composite
2.4
Micro
and
nano-indentation3
Theories
proposed
by
Fleck
and
Hutchinson
3.1
Couple
stress
theory
(CS)
3.2
Strain
gradient
(SG)
theory
proposed
by
Fleck
and
Hutchinson
(1997)
3.3
Torsion
of
thin
wires
3.4
Bending
of
thin
beams
3.5
Micro-indentation
hardness
3.6
Size
effects
in
particle
reinforced
metal
matrix
composites4
MSG
and
TNT
theories
4.1
A
law
for
strain
gradient
plasticity
4.2
Deformation
theory
of
MSG
4.3
Bending
of
thin
beams
4.4
Torsion
of
thin
wires
4.5
Micro-indentation
hardness
4.6
Size
effects
in
the
particle-reinforced
metal
matrix
composit
4.7
Taylor-based
non-local
theory
of
plasticity
(TNT)5
C-W
strain
gradient
plasticity
theory
5.1
A
hardening
law
for
strain
gradient
plasticity
theory
5.2
C-W
couple-stress
strain
gradient
plasticity
theory
5.3
Verification
of
C-W
couple-stress
strain
gradient
plasticity
theory
5.4
C-W
strain
gradient
plasticity
theory
5.5
Thin
wire
torsion
and
ultra-thin
beam
bend
5.6
Micro-indentation
hardness
5.7
Size
effects
in
particle
reinforced
metal-matrix
composites6
Strain
curl
theory
6.1
The
continuum
theory
of
dislocation
6.2
Plastic
strain
curl
theory
6.3
Finite
element
simulation
of
micro-indentation
tests7
Strain
gradient
theory
based
on
energy
non-local
model
7.1
Classical
non-local
theory
of
elasticity
7.2
A
new
framework
of
non-local
theory
7.3
Constitutive
equations
of
strain
gradient
theory
7.4
Thin
wire
torsion
and
ultra-thin
beam
bend
7.5
Analysis
of
micro-indentation8
Cleavage
fracture
near
crack
tip
8.1
Steady-state
crack
growth
and
work
of
fracture
for
solids
characterized
by
strain
gradient
plasticity
8.2
Fracture
in
MSG
plasticity
8.3
Application
of
C-W
strain
gradient
plasticity
on
the
cleavage
fracture
of
crack
tip
8.4
Prediction
of
strain-curl
theory
on
plane-strain
crack
tip
field

章节摘录

插图:(1994),
the
tension
tests
were
performedon
a
50
mm
gauge
length
of
copper
wire,
using
a
conventional
screwdriven
test
machine
and
a
specially
designed
sensitive
load
cell.
The
loadcell
consisted
of
a
0.5
mm
thick
cantilever
beam
of
rectangular
section~
itwas
loaded
transversely
at
its
free
end
by
the
copper
wire.
Strain
gaugeswere
placed
near
the
built-in
end
of
the
beam
and
were
used
to
detect
theload
on
the
copper
wire.The
torsion
tests
were
performed
using
a
specially
designed
screwdriven
torsion
machine
sketched
in
Figure
2.1.
The
bottom
end
of
thecopper
wire
specimen
(of
gauge
length2
mm)
was
glued
to
a
lower
grip,
and
thetop
end
to
a
60
mm
long
glass
filament~
theglass
filament
acted
as
a
torsional
load
cell.The
free
end
of
the
glass
filament
wastwisted
using
a
gear
drive
train
and
electricmotor.
The
twist
along
the
length
of
theglass
filament
was
measured
by
two
needlepointers
and
protractors,
and
gave
ameasure
of
the
torque.
Calibration
of
theglass
filament
load
cell
was
carried
outseparately
using
a
dead
weight
and
pulleyarrangement.
The
torsional
strength
of
the
copper
wires
roughly
scaleswith
diameter
to
the
third
power,
to
maximize
sensitivity
of
the
torsionalload
cell
glass
filaments
were
used
of
diameter
in
the
range
55
-250micrometers.
The
relative
twist
of
the
two
ends
of
the
copper
wire
was
measuredby
the
needle
pointer
attached
to
the
top
end
of
the
wire
(the
other
endwas
fixed
to
the
lower
grip
of
the
test
machine
which
could
translate
butnot
rotate).
During
a
test
the
wire
was
elongated
by
a
few
percent,causing
the
glass
filament
to
bow.
This
was
corrected
for
by
translatingthe
lower
grip
of
the
test
machine
via
a
gear
drive.

编辑推荐

《微尺度塑性力学》是陈少华等编著的,由中国科学技术大学出版社出版。

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用户评论 (总计3条)

 
 

  •     院士著作,值得一读
  •     这本书是英语写的,读过其它类似的书的读者适合用此本书,第一次接触的不建议用此书
  •     有力学所陈少华研究员和王自强院士编著的该书是国内第一本系统介绍应变梯度塑性理论等非局部理论的著作,内容前沿,翔实,系统,该书介绍了几种典型的梯度理论,尽管应变梯度理论还在发展中,该书无疑将成为微尺度塑性力学中的一部经典之作。不过内容是英文的,要有一定的专业基础才能读懂。推荐!!
 

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