Microstructures, mechanical properties, and degradation behaviors of heat-treated Mg-Sr alloys as potential biodegradable implant materials

Microstructures, mechanical properties, and degradation behaviors of heat-treated Mg-Sr alloys as potential biodegradable implant materials

Author’s Accepted Manuscript Microstructures, mechanical properties, and degradation behaviors of heat-treated Mg-Sr alloys as potential biodegradable...

16MB Sizes 0 Downloads 42 Views

Author’s Accepted Manuscript Microstructures, mechanical properties, and degradation behaviors of heat-treated Mg-Sr alloys as potential biodegradable implant materials Yuxiang Wang, Di Tie, Renguo Guan, Ning Wang, Yingqiu Shang, Tong Cui, Junqiao Li www.elsevier.com/locate/jmbbm

PII: DOI: Reference:

S1751-6161(17)30371-5 http://dx.doi.org/10.1016/j.jmbbm.2017.08.028 JMBBM2472

To appear in: Journal of the Mechanical Behavior of Biomedical Materials Received date: 21 April 2017 Revised date: 27 July 2017 Accepted date: 22 August 2017 Cite this article as: Yuxiang Wang, Di Tie, Renguo Guan, Ning Wang, Yingqiu Shang, Tong Cui and Junqiao Li, Microstructures, mechanical properties, and degradation behaviors of heat-treated Mg-Sr alloys as potential biodegradable implant materials, Journal of the Mechanical Behavior of Biomedical Materials, http://dx.doi.org/10.1016/j.jmbbm.2017.08.028 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting galley proof before it is published in its final citable form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.







´

´

¯ŀ

ಣ ದ ದ





























&$)./$)0 &12,2%"('*"3

!"#$%"&%#$'(&)'*"&+ ,-

%!! #$! #!! "$! "!! $! !

!

"

#

0-

0-1&2.

$" #" !"

!

"!

#!

$! %! &! )*+,-.,,/

'!

(!

00-1&2.

!" #" $"

!

"!

#!

$! %! &! )*+,-.,,/

'!

(!

800

796°C L

700

680°C

39.1 592°C

603°C (βSr) 547°C

599°C

Max solid solubility of Sr in Mg solid (Mg)

Mg2Sr

400

46.0

Mg23Sr6

500

606°C

Mg38Sr9

600

585°C 0.11 18.4

Mg17Sr2

Temperature (°C)

650°C

426°C 89 (αSr)

300 200

0 10 Mg

20

30 40 50 60 70 80 Weight Percent Strontium

90 100 Sr

!"#$%&'()%*+$&&',- .

$! &$

')&/")&0 '(1213$+!4$*

&! %$ %! #$

!

"

#

!"#$%&'()%*+$&&',( -

'' '

'1 ')2234 '1"')2234 '1#')2234

%' % &' !

"# "$ #% ()!+)'.!/$',0-

&

"'! "&!

"!!

&! #! !

!

"

&

%"

#!!

)

"

#

#')*+'), #-./.0123415 #61'7*'015

"#$ !

"

"!!

# !"

!

)$

#')*+'), #-./.0123415 #61'7*'015

./691))3:3;3,<#$=(

#')*+'), #-./.0123415 #61'7*'015

)!

> "#$%&'(

#$!

#$

#!!

"$!

#

"$!

#

)!!

"

"%$

"

#"

##$

!

!"#$%&'(

?;.20',3.2#$=(

&!

#

#')*+'), #-./.0123415 #61'7*'015

$

!

(! '!

'

&"

#')*+'), #-./.0123415 #61'7*'015

"#!

8!"#$%&'(

'!

$"

#')*+'), #-./.0123415 #61'7*'015

>8"#$%&'(

(!

'"

#!

!

"

#

"$

!

"

#

/99/*4/3(9)-2(:00;<2)9=

'$! &$% &$! #

%$()*+,)*(./0/1234526 (72)8+)126

#$! "$% "$! !$% !$!

!

"

#

163 )#""

!&'(! !5728 !)49:;<2=/> !*633$>!,=
)%""

@;+1 &)0(!

%$./!,@;+1'!0$!

%$153 ("""" &"""

)'"" @;+'1'A@;+,1(

,'(

,'(

& 0'!

%$) ""

)&"""

#""

)""""

%""

("""

,'(

&"" """

&

&) &" '! )6/>6/;!+/$<;!!*$%.

!&'(! !5728 !)49:;<2=/> !*633$>!,=
+-'1' )((0)!

%$'#

!,-

123

@;+1 &( 0)!

%$&(& &(' &(( &( &() &(" & ! & # )6/>6/;!+/$<;!!*$%.

!&'(! !5728 !)49:;<2=/> !*633$>!,=
)"""" #"""

+- '1' )('0&!

%$+'1' )( 0'!

%$)&""

!"# ,2/3456/4362/ #'0%!

%$*+,- ,- +./ #&0&!

%$%""" +,1( ##0&!

%$'"""

)""" &""

&"""

'$

@;+1&("0!!

%$,'(

143

&(

0!"#

+,1(A+'1' &()0$!

%$""""

)"""

&'

!&'(! !5728 !)49:;<2=/> !*633$>!,=
"""

)($ )(% )(& )(' )(( )( )6/>6/;!+/$<;!!*$%.

)()

!"

#!

##

#$

#%

#&

)6/>6/;!+/$<;!!*$%.

#'

#(