Sponsored Links
This presentation is the property of its rightful owner.
1 / 74

بسم الله الرحمن الرحيم PowerPoint PPT Presentation


  • 92 Views
  • Uploaded on
  • Presentation posted in: General

بسم الله الرحمن الرحيم. پروژه شناخت فلزات صنعتي. مقدمه :.

Download Presentation

بسم الله الرحمن الرحيم

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript




:

. . 2 3 4 5 .


. .

. .... . (SMA) .


. .

.


(1)

(1)

.


. . .


:

1932 Change Read . AuCd 1956 Horbojen Cu-Zn . . 1962 Buhler . .


1967 Nol Buhler Nitionol . Raychem . . 1980 Micheal Hawt .


:HistorySMAs

1961 White Oak .

Dr.Wiliam.j.Buehler .

. . .


-- . 290-200 . ( . SEM ) .


. ( ) . 110 kj/mol .


: NiTinol

.

. .


. ( ) . .

.

.


:

NiTi . (Ni(Ti+Hf) NiTi .


NiTi (X<0.3)Ni0.5Ti0.5-X , HFX , Ni1-XTiX UHV (<10-8torr) .

(Ar) . Pa2/1 Pa6/0 NiTi .


XRD,DSC,AFM TEM, RBS, SEM(EDS) . XRD m 2 . DSC .


( NiTi C 472 NiTiHf %at7/28=HF C519 ). NiTi C500 NiTiHF C550 . XRD DSC .


NiTi Ni/Ti C100 . NiTiHf Hf Ti NiTi at%10 C100 at%4/24 Ap ( ) C 414 . R 15 at%=Hf .


. . Ni4Ti3 Ti2Ni .


AFM . NiTi NiTiHf nm50 nm100 . TEM . nm200 .


. . NiTi . MEMS BioMEMS .


  • :

- :

.

.

.


:

)

)

.


  • :

.

.

. .

Ni-Ti/Cu-Zn/ Cu-Zn-Al/Cu-Zn-Ga Cu-Zn-Sn Cu-

Zn-Si Cu-Al-Ni Cu-Au-Zn Cu-Sn Au-Cd Ni-Al Fe-Pt ...

.


.

.

1938

. 1961 -

(50-50%) (Naval

Ordanance Lab) (Nitinol) .

. 1980


.

.

.

.


.

.

. -

.


.

.

.

.

. 8

.


  • :

.

1)

.

2)

.

1)

.

2) .


  • :

.

1-

2-

3-

2

.

.


.

:

1)

2)


.

.

.


4)

.

.( 4 B)

( 4 C) .

5


Mf A B C D

A . A

A .

A

A

.


  • :

- -

.

.

.

.

.


  • :

- C

.

Af .

( AB).

( (CD

.

.


- :

. 100% 100% . 100% . .


1 . 2-3 . . 3-3 .


4-3 . . 2-3) 3-3) 4-3) NiTi .


(Ni(Ti+Hf) NiTi . NiTi (X<0.3)Ni0.5Ti0.5-X , HFX , Ni1-XTiX UHV (<10-8torr) . (Ar) .


2/1 6/0 NiTi

.

DSC,XRD,AFM TEM,RBS,SEM(EDS) .


XRD 2 . DSC . ( NiTi C 472 NiTiHf %at7/28=HF C519 ). NiTi C500 NiTiHF C550 . XRD DSC .


NiTi Ni/Ti C100 . NiTiHf Hf Ti NiTi at%10 C100 at%4/24 Ap ( ) C 414 . R 15 at%=Hf . .


. Ni4Ti3 Ti2Ni . AFM . NiTi NiTiHf nm50 nm100 . TEM .


nm200 . . . NiTi . MEMS BioMEMS .


. . .

.

. . . .


.

( ) . :

:

- -

- -

( ) .


DC .


. .

. .


Ni-Ti . Ni-Ti . Ni-Ti . Kg/dm3 9/8 1455 . .


Kg/dm 3 5/4 1670 . . . . Ni-Ti .


Ni-Ti:

) :

.


) (SMA) spacer . 13B- ( ) .


)


TI_ NI . .


:

) : . 7 .


Mf Af Mf .


) :

. 8 .

. .


:

. . . . .


. .


:

1- .2- .

3- .


4- .

5- .

6- 1- 2- .

7- NiTi .


. . . . .


. . .


:

. 100

.


:

  • :

    www.felezat.com

    www.shef.ir

    www.nnoble.com

    www.iran.ac.ir


  • Login