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저작자표시-동일조건변경허락 2.0 대한민국 이용자는 아래의 조건을 따르는 경우에 한하여 자유롭게

l 이 저작물을 복제, 배포, 전송, 전시, 공연 및 방송할 수 있습니다. l 이차적 저작물을 작성할 수 있습니다.

l 이 저작물을 영리 목적으로 이용할 수 있습니다. 다음과 같은 조건을 따라야 합니다:

l 귀하는, 이 저작물의 재이용이나 배포의 경우, 이 저작물에 적용된 이용허락조건 을 명확하게 나타내어야 합니다.

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저작권법에 따른 이용자의 권리는 위의 내용에 의하여 영향을 받지 않습니다. 이것은 이용허락규약(Legal Code)을 이해하기 쉽게 요약한 것입니다.

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저작자표시. 귀하는 원저작자를 표시하여야 합니다.

동일조건변경허락. 귀하가 이 저작물을 개작, 변형 또는 가공했을 경우 에는, 이 저작물과 동일한 이용허락조건하에서만 배포할 수 있습니다.

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R(Trigonal), B2(Cubic), B19(Orthorhombic) and B19'(Monoclinic)

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Apparatuer for thermal cycling of Ti-Ni alloy wire Differential scanning calorimetry.

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θ

θ

θ

θ

θ

θ

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σ Δ ε

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~11,12.

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0 10 20 30 40 50 60 70 80 90 100 873

1073 1273 1473 1873 2073

1673

(Ni)

(bTi)

(aTi)

L

Ni-content (at%)

TiNi

Ti2Ni TiNi3

Temperature (K)

1943K

1215K 1038K

1237K 1583K

1389K

1577K

1653K 1728K

903K

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TiNi

Ti

3

Ni

4

Ti

2

Ni

3

TiNi

3

Ti

2

Ni

B2 (CsCl type)

Rhombohedral

Orthorhombic (lower temp.) Tetragonal (higher temp.)

Hexagonal Cubic

a=0.3015nm

a=0.67nm, a=113.8°

a=0.4398nm b=0.4370nm c=1.3544nm a=0.3095nm c=1.3585nm

a=0.51nm c=0.831nm a=1.1278nm

(0001)

TiNi3

∥ (110)

B2

[10-10]

TiNi3

∥ [111]

B2

V1 (1-10)

Ti3Ni4

∥ [-321]

B2

[111]

Ti3Ni4

∥ [111]

B2

V2 (1-10)

Ti3Ni4

∥ [-312]

B2

[111]

Ti3Ni4

∥ [111]

B2

[501]

Ti2Ni3

∥ [111]

B2

Crystal structure Lattice

parameter

Orientation relationship between precipitates and B2

(440)

Ti2Ni

∥ (110)

B2

Spacing Group

Fd3m R3

Bbmm

I4/mmm

P6

3

/mmc

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R(Trigonal), B2(Cubic), B19(Orthorhombic) and B19'(Monoclinic)

Crystal system Unit cell Alloys

B2(Cubic)

Ag-Cd, Au-Cd, Cu-Zr Ni-Al, Ti-Ni, Ti-Ni-Cu

Ti-Pd-Ni

R(Trigonal) Au-Cd. Ti-Ni

(B2->R = 1%)

B19(Orthorhombic) Ti-Ni-Cu, Ti-Pd-Ni

(B2->B19 = 4%)

B19'(Monoclinic) Ti-Ni

(B2->B19' = 8%)

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Alloy

Compo sition

(at%) Structure change

Temper ature hystere

sis(K) Orde

ring

Ref. on structure

Ref. on crystallography,

SME and SE

Ag-Cd 44-49

Cd B2-2H ~ 15 orde

red 26 27, 28

Au-Cd 46.5-48

.0 Cd B2-2H ~ 15 orde

red 29, 30 31-34

49-50

Cd B2-trigonal ~ 2 orde

red 35, 36 33, 37

Cu-Zn 38.5-41

.5 Zn B2-M (modified) 9R ~ 10 orde

red 38 10, 39

Cu-Zn-X A few

at% B2-M9R ~ 10 orde

red 38 9, 10, 11, 28, 40

(X = Si,Sn,Al,Ga)

Cu-Al-Ni

28-29 Al, 3.0-

D03-2H ~ 35 orde

red 41, 42 3, 8, 43-45

4.5 Ni

Cu-Sn ~15 Sn D03-2H, 18R - orde

red 46, 47 48

Cu-Au-Zn 23-28

Au Heusler-18R ~ 6 orde

red 49 50

45-47 Zn

Ni-Al 36-38

Al B2-3R, 7R ~ 10 orde

red 51, 52 53-56

Ti-Ni 49-51

Ni B2-monoclinic ~ 30 orde

red 57 59-61

B2-R-phase-(monoclinic) ~ 2 orde

red 58 62,63,64

Ti-Ni-Cu 8-20

Cu B2-orthorhombic-(monoclinic) 4-12 orde

red 65 66

Ti-Pd-Ni 0-40 Ni B2-orthorhombic 30-50 orde

red 67, 68 69-71

In-Ti 18-23

Ti FCC-FCT ~ 4

diso rder ed

72 73-75

In-Cd 4-5 Cd FCC-FCT ~ 3

diso rder ed

76 76

Mn-Cd 5-35

Cu FCC-FCT -

diso rder ed

77 78

Ti-Pd-Ni alloys with high Pd content do not exhibit good SME unless specially

thermomechanically treated

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Ti Ni C H O N

NT-3 49.04 50.74 0.165 0.026 0.053 0.005

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~40

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α

θ

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temperature

Specimen Rs Rp Rf Ms Mp Mf As Ap Af

NT-3 18 2 -21 -54 -65 -75 -7 2 87

NT-5 - - - -49 -3 6 -51 0 46

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~40

~

~

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~40

~

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(a) (b)

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~

ε

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 

d100 d110 d111 d200 d210 d211

3.015 2.132 1.741 1.508 1.348 1.231

100110111200210211

29.6 42.4 52.6 61.8 70.2 77.6



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θ

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θ

θ

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θ

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~

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σ Δ ε

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Arbab-Chirani, PhD,c,d and Sylvain Calloch, PhD,cBrest and Plouzané, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology (2011) 115 121–

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