PSI - Issue 71

Sameer S. Gajmal et al. / Procedia Structural Integrity 71 (2025) 430–437

435

Top

17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50 17.00 16.75 16.50

16.45 16.29 15.97 16.49 16.32 16.00 16.48 16.31 15.98 16.44 16.27 15.96 16.42 16.25 15.94 16.46 16.28 15.97 16.36 16.08 15.90 16.37 16.10 15.91 16.38 16.09 15.89 16.35 16.07 15.88 16.34 16.06 15.87 16.39 16.11 15.92 16.36 16.09 15.90 16.37 16.08 15.89 16.35 16.07 15.88

3.20 |2.85 3.25 2.90 2.55 2.95 3.00 2.65 3.15 3.15 2.80 3.30 3.25 2.95 3.40 3.10 2.75 3.25 3.76 4.00 3.64 3.71 3.88 3.58 3.65 3.94 3.70 3.82 4.06 3.76 3.88 4.12 3.82 3.59 3.82 3.52 3.76 3.94 3.64 3.71 4.00 3.82 4.06 3.76 3.7

Specimen 4

Middle Bottom Middle Bottom Middle Bottom Middle Bottom Middle Bottom Middle Bottom Top Top Top Top Top Middle Bottom Middle Bottom Middle Bottom Middle Bottom Middle Bottom Middle Bottom Middle Bottom Middle Bottom Middle Bottom Top Top Top Top Top Top Top Top Top

Specimen 5

Specimen 6

Specimen 7

Specimen 8

Specimen 9

Table 5 – Conventional Cast Specimen – Average Shrinkage Value Calculation Microwave Cast Specimen Position Dia. as per Drawing (mm)

Dia. of Cast Specimen (mm)

% Shrinkage

Specimen 1

Specimen 2

Specimen 3

Specimen 4

Specimen 5

Specimen 6

Specimen 7

Specimen 8

Specimen 9

Table 6 – Average Solid Shrinkage of Microwave Cast Specimens

Shrinkage along diameter

Microwave Cast Specimen

Dia. as per drawing (mm)

Dia. of cast specimens (mm)

Position

% Shrinkage

Top

17.00

16.46

3.18

Middle

16.75

16.28

2.81

Bottom

16.50

15.96

3.27

Overall Average % Shrinkage along diameter

2.86 %