Sintesis Dan Karakterisasi Baja Feritik Ods (Oxide Dispersion Strengthened) Dengan Variasi Komposisi Cr Dan Waktu Milling

48

LAMPIRAN A
ALAT DAN BAHAN PENELITIAN

Timbangan Digital BOSCH

Serbuk Chromium

Serbuk Fe

SAE 200

Vial

Serbuk ZrO2

Ultrasonik cleaner merk
branson tipe 1510

PW 700i Mixerr/Mill


Bola Milling

Cetakan Kompaksi

Universitas Sumatera Utara

49

Serbuk Hasil Milling

Sampel Hasil Kompaksi

Nital 3%

APD Suspension

Beaker Glass

Sampel Hasil Sintering


Spatula

Alat kompaksi merk

Hair Dryer

Carver

Universitas Sumatera Utara

50

SEM JEOL JSM-6510LA

Alat Sintering APS

Mikroskop Optik

Hardness Tester


PHILLIPS Panalytical

Mesin Grider Polisher

Empyrean

Universitas Sumatera Utara

51

LAMPIRAN B
DATA BASE FASA XRD

1.

Fe15Cr0.5ZrO2 milling 3 jam

Formula Sum


Cr0.7Fe0.3

Entry Number

96-152-4270

Figure-of-Merit(FoM)

0.823297

Total Number of peaks

4

Peaks in range

4

Peaks matched


4

Intensity scale factor

12.12

Space group

I m -3 m

Crystal system

cubic

Unit cell

a= 2.8780 Å

I/Ic


12.12

Calc. density

7.451 g/cm ³

Reference

Dorofeev Yu.A, Men?shikov AZ., Taksey G.A.
“Magnetic phase diagram of FexCr1x-alloys”. Fizika
Metallovi Metallovedenie 55, 102-109 (1983)
Peak List
I/I0

FWHM

Matched

2.0299


1000.00

0.3151

A,B

64.90

1.4356

94.29

0.3151

A.B

3

82.15


1.1724

169.74

0.3151

A,B

4

98.59

1.0161

54.21

0.3151

B


5

98.93

1.0136

45.23

0.3151

A

No.

2theta [º]

d [Å]

1


44.60

2

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52

Hasil Refinement Pola Difraksi

GOF*/kualitas hasil refinement

2.

Fe20Cr0.5ZrO2 milling 3 jam

Formula Sum

Cr0.7Fe0.3


Entry Number

96-152-4270

Figure-of-Merit(FoM)

0.867845

Total Number of peaks

4

Peaks in range

4

Peaks matched

4

Intensity scale factor

12.12

Space group

I m -3 m

Crystal system

cubic

Unit cell

a= 2.8780 Å

I/Ic

12.12

Calc. density

7.451 g/cm ³

Universitas Sumatera Utara

53

Reference

Dorofeev Yu.A, Men?shikov AZ., Taksey G.A.
“Magnetic phase diagram of FexCr1x-alloys”. Fizika
Metallovi Metallovedenie 55, 102-109 (1983)
Peak List

No.

2theta [º]

d [Å]

I/I0

FWHM

Matched

1

44.55

2.0321

1000.00

0.1576

A

2

64.81

1.4374

73.13

0.1576

A

3

82.10

1.1730

171.68

0.1576

A

4

98.65

1.0157

47.73

0.1576

A

Hasil Refinement Pola Difraksi

GOF*/kualitas hasil refinement

3.

Fe25Cr0.5ZrO2 milling 3 jam

Formula Sum

Cr0.7Fe0.3

Entry Number

96-152-4270

Figure-of-Merit(FoM)

0.771587

Universitas Sumatera Utara

54

Total Number of peaks

4

Peaks in range

4

Peaks matched

4

Intensity scale factor

12.12

Space group

I m -3 m

Crystal system

cubic

Unit cell

a= 2.8720 Å

I/Ic

12.12

Calc. density

7.451 g/cm ³

Reference

Dorofeev Yu.A, Men?shikov AZ., Taksey G.A.
“Magnetic phase diagram of FexCr1x-alloys”. Fizika
Metallovi Metallovedenie 55, 102-109 (1983)

Formula sum

Fe

Entry number

96-901-3475

Figure-of-Merit (FoM)

0.839095

Total num ber of peaks

4

Peaks in range

4

Peaks matched

4

Intensity scale factor

0.28

Space group

I m -3 m

Crystal system

cubic

Unit cell

a= 2.8780 Å

I/Ic

13.30

Calc. density

7.780 g/cm ³

Reference

Basinski Z. S., Hume-Rothery W, Sutton A. L.,
"The lattice expansion of iron Locality:

synthetic

Sample: at T = 722 K", Proceedings of the Royal
Society of London A 229, 459-467 (1955)
Peak List
No.

2theta [º]

d [Å]

1

44.53

2.0332

I/I0

FWHM

Matched

1000.00

0.2100

A,B

Universitas Sumatera Utara

55

2

65.03

1.4389

99.40

0.2100

B

3

65.50

1.4238

37.99

0.2100

A

4

82.04

1.1737

178.50

0.2100

A,B

5

98.56

1.0163

66.26

0.2100

A,B

Hasil Refinement Pola Difraksi

GOF*/kualitas hasil refinement

4.

Fe20Cr0.5ZrO2 milling 5 jam

Formula Sum

Cr0.7Fe0.3

Entry Number

96-152-4270

Figure-of-Merit(FoM)

0.683981

Total Number of peaks

4

Peaks in range

4

Peaks matched

4

Intensity scale factor

8.57

Space group

I m -3 m

Universitas Sumatera Utara

56

Crystal system

cubic

Unit cell

a= 2.8720 Å

I/Ic

12.12

Calc. density

7.451 g/cm ³

Reference

Dorofeev Yu.A, Men?shikov AZ., Taksey G.A.
“Magnetic phase diagram of FexCr1x-alloys”. Fizika
Metallovi Metallovedenie 55, 102-109 (1983)

Formula sum

Fe

Entry number

96-901-3475

Figure-of-Merit (FoM)

0.862465

Total num ber of peaks

4

Peaks in range

4

Peaks matched

4

Intensity scale factor

3.89

Space group

I m -3 m

Crystal system

cubic

Unit cell

a= 2.8780 Å

I/Ic

13.30

Calc. density

7.780 g/cm ³

Reference

Basinski Z. S., Hume-Rothery W, Sutton A. L.,
"The lattice expansion of iron Locality:

synthetic

Sample: at T = 722 K", Proceedings of the Royal
Society of London A 229, 459-467 (1955)
Peak List
No.

2theta [º]

d [Å]

I/I0

FWHM

Matched

1

44.53

2.0332

1000.00

0.1576

A,B

2

64.74

1.4387

83.27

0.1576

B

3

65.04

1.4328

25.44

0.1576

A

4

82.04

1.1737

187.98

0.1576

B

5

82.40

1.1694

26.25

0.1576

A

5

98.51

1.0168

42.84

0.1576

A,B

Universitas Sumatera Utara

57

Hasil Refinement Pola Difraksi

GOF*/kualitas hasil refinement

5.

Fe20Cr0.5ZrO2 milling 7 jam

Formula sum

Fe

Entry number

96-901-3475

Figure-of-Merit (FoM)

0.868434

Total num ber of peaks

4

Peaks in range

4

Peaks matched

4

Intensity scale factor

13.30

Space group

I m -3 m

Crystal system

cubic

Unit cell

a= 2.8780 Å

Universitas Sumatera Utara

58

I/Ic

13.30

Calc. density

7.780 g/cm ³

Reference

Basinski Z. S., Hume-Rothery W, Sutton A. L.,
"The lattice expansion of iron Locality:

synthetic

Sample: at T = 722 K", Proceedings of the Royal
Society of London A 229, 459-467 (1955)
Peak List
No.

2theta [º]

d [Å]

I/I0

FWHM

Matched

1

44.51

2.0341

1000.00

0.2101

A

2

64.73

1.4390

97.95

0.2101

A

3

81.98

1.1744

178.18

0.2101

A

4

98.46

1.0171

44.39

0.2101

A

Hasil Refinement Pola Difraksi

GOF*/kualitas hasil refinement

Universitas Sumatera Utara

59

LAMPIRAN C
PERHITUNGAN UKURAN KRISTAL MENGGUNAKAN DEBYE
SCHARER
 Fe20CrZrO2 – 3 jam
λ = 1.540598Å = 0.154 nm

K= 0.9

t = 0.1576°  t = 0.1576 x 2 x
B=

��

cos �

0.9

��

= 0.00275 rad

0.1386

=
= 54.45 nm
(cos 22.25) 0.00254552364

λ = 1.540598Å = 0.154 nm

t = 0.1576°  t = 0.1576 x 2 x
cos �

360

0.154

= 0.00275

K= 0.9

B=

3.142

0.9

= 0.00275

θ = ½ x 44.55° = 22.25°

0.154
(cos 32.4)

3.142
360

θ = ½ x 64.81° = 32.4°

= 0.00275 rad

0.1386

= 0.0023134585 = 59.69 nm

 Fe20CrZrO2 – 5 jam
λ = 1.540598Å = 0.154 nm

K= 0.9

t = 0.1576°  t = 0.1576 x 2 x
B=

��

cos �

0.9

= 0.00275

0.154

��

= 0.00275 rad

0.1386

(cos 22.265)

t = 0.1576°  t = 0.1576 x 2 x
cos �

360

= 0.0025449637 = 54.46 nm

λ = 1.540598Å = 0.154 nm

K= 0.9

B=

3.142

0.9

= 0.00275

0.154
(cos 32.37)

θ = ½ x 44.53° = 22. 265°

3.142
360

θ = ½ x 64.74° = 32. 37°

= 0.00275 rad

0.1386

= 0.002322673 = 59.67 nm

 Fe20CrZrO2 – 7 jam
λ = 1.540598Å = 0.154 nm

K= 0.9

t = 0.2101°  t = 0.2101 x 2 x
B=

��

cos �

0.9

= 0.0036674

0.154

cos �

= 0.0036674 rad
0.1386

(cos 22.255)

t = 0.2101°  t = 0.2101 x 2 x
��

360

= 0.0033942174 = 40.834 nm

λ = 1.540598Å = 0.154 nm

K= 0.9

B=

3.142

0.9

= 0.0036674

0.154

θ = ½ x 44.51° = 22.255°

3.142
360

θ = ½ x 64.73° = 32. 365°

= 0.0036674 rad
0.1386

=
= 44.743 nm
(cos 32.365) 0.0030976881

Universitas Sumatera Utara

60

LAMPIRAN D
DIAGRAM FASA FeCr

Universitas Sumatera Utara

61

LAMPIRAN E
PENJEJAKAN SAMPEL

Uji Keras S1-500x

Uji Keras S2-500x

Uji Keras S3-500x

Uji Keras S4-500x

Uji Keras S5-500

Universitas Sumatera Utara