
2011
年
9
月
第
30
卷第
9
期
机械科学与技术
Se
ptember
2011
Mechanical
Sc
ience
and
Technology
for
Aerospace
Engineering
Vo
l.
30
No.9
n
铝青铜与碳纤增强聚醋醋酣的滑动摩擦特性研究
付也护协
唐群国
1
,陈晶田
2
,金文浩
1
e
华中科技大学机械科学与工程学院液压与气动中心,武汉
43
∞
'74;
2
华中科技大学光电子科学与工程学院,武汉
43
∞
74)
庸群国
摘 要:为了了解铝青铜
Q
Al
9
-4和破纤增强聚融融嗣
(CFRPEEK)
在水液压元件摩擦副中应用的可
行性,通过环-坏端面接触的摩擦试验机对铝青铜
Q
Al
9
-4和
CFRPEEK
在水润滑和千摩擦条件下的摩
擦磨损性能进行了试验研究,探讨了压力和滑动速度对摩擦系数及材料磨损率的影响关系,对铝青铜
Q
Al
9
-4和
CFRPEEK
的摩擦磨损机理进行了分析讨论。在水润滑下,摩擦系数及体积磨损率总体上
随滑动速度增加至下降趋势,压力对摩擦系数影响不大,材料的磨损率随压力增加呈上升趋势,
Q
Al
9-
4
的体积磨损率明显高于
CFRPEEK
。在水润滑下,
Q
Al
9
-4的主要磨损机理是粘着磨损以及嵌入
CFR
PEEK
的
Q
Al
9
-4磨屑引起的磨拉磨损,
CFRPEEK
的磨损机理主要是以塑性涂抹为特征的粘着、
Q
Al
9-
4
表面粗糙峰引起的机械犁耕。在干摩擦条件下,摩擦系数和材料磨损量较水润滑均显著增加,且摩
擦系数不稳定。水的润滑作用和冷却散热效应是造成两种摩擦条件下差异的主要原因。
关键词:铝青铜;聚融融嗣;水润滑;千摩擦;滑动摩擦
中圄分类号
:TB332
文献标识码
:A
文章编号
:1
∞
3-8728
(2011
)09-1519
.Q
5
Tribological Behaviours of Aluminium Bronze Sliding
Against Carbon Fiber Reinforced Polyetheretherketone
Tang Qunguol , Chen Jingtian
2
, Jin Wenhao
1
(1
Sc
hω
,
1
of
Mechanical
Sc
ience
&
Engineering
,
Huazhong
University
of
Sc
ience
Il
nd
Technology
,
Wuhan
43
∞
'74;
2
Sc
bω1
of
Optoelectronic
Sc
ience
&
Engineering
,
Huazhong
University
of
Sc
ience
and
Technology
,
Wuhan
43ω74)
Abs
阳
ct:
Friction and wear characteristics of carbon fiber reinforced polyetheretherketone
(CFRPEEK)
sliding on
aluminum bronze QA19
-4
w
困
investigated
on a ring-ring contact tribo test rig under water lubrication and dry con-
dition respectively in order
to
learn about their applicability in the design of friction
counte
甲
arts
of water hydraulic
elements. Effects of sliding velocity and normal
press
旧
e
on friction factor and wear have been obtained.
Th
e fric-
tion and
we
缸
mechanism
w
田
further
analyzed and
discussed.τ
'h
e
effect of sliding velocity on the friction factor is
greater compared
wi
出
normal
pressure.
白
le
friction factor and volumetric wear rate of both aluminium bronze and
CFRPEEK generally decrease
wi
由
velocity
,
while pressure has litùe influence
on
由
e
friction factor. But the wear
rate of materials tends
ω
lD
crease
明白白
e
press
田
e.
咀
le
we
町
rate
of aluminium bronze is much higher
than
也
at
of
CFRPEEK.
咀
le
main wear mechanism of aluminium bronze is adhesive
we
町
and
abrasive
we
缸
caused
by
the alu-
minium bronze particles caught in the CFRPEEK.
Th
e main wear mechanism of CFRPEEK is adhesive wear and
mechanical ploughing. As for the dry sliding case
, both friction and wear increase remarkably and the friction factor
gets unsteady.
Th
e lubrication effects and heat dissipation effects of water are attributed
to
由
e
difference.
Key
words:
aluminium bronze; polyetheretherketone; water lubrication; dry friction; sliding friction
收稿臼期
:2010
-04 -29
基金项目:国家
863
计划项目
(2(
朋
AAω
Z202)和国家科技发展支撑
计划项目
(2
伽
BAFOl
B0
3
咽)资助
作者简介
z
磨群国(1
969
-
).博士,副教授,研究方向为水液压传动
技术和复杂环横下材料摩擦学.
tangc
hOO@
yahoo.
cn
铝青铜是一种含铝
5%
-12%
的铜基合金材
料,具有良好的综合机械性能和耐蚀性能,在机械工
程中被广泛地用来加工减摩耐磨零件,如轴向柱塞
液压泵中的滑瞰、配流盘和滑动轴承、齿轮泵的密封