11.12.2012 Views

Nondestructive testing of defects in adhesive joints

Nondestructive testing of defects in adhesive joints

Nondestructive testing of defects in adhesive joints

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Fig. 1 Tensile strength <strong>of</strong> rubber modified Fig. 2 Modulus <strong>of</strong> rubber modified res<strong>in</strong><br />

res<strong>in</strong> as a function <strong>of</strong> rubber concentration as a function <strong>of</strong> rubber concentration<br />

Tensile strength (MPa)<br />

50<br />

45<br />

40<br />

35<br />

30<br />

25<br />

20<br />

15<br />

10<br />

5<br />

HTPB/ UPR<br />

M A-g-HTPB/UPR<br />

0<br />

0 1 2 3 4 5 6<br />

Rubber concentration (%)<br />

Tensile modulus (x10 2<br />

MPa)<br />

25<br />

20<br />

15<br />

10<br />

5<br />

HTPB / UPR<br />

0<br />

0 2 4 6<br />

Rubber concentration (%)<br />

MA-g-HTPB/UPR<br />

Fig. 3 Elongation at break <strong>of</strong> rubber modified Fig. 4 Energy absorbed by rubber modified<br />

res<strong>in</strong> as a function <strong>of</strong> rubber concentration res<strong>in</strong> as a function <strong>of</strong> rubber concentration<br />

Elongation at break<br />

(%)<br />

14<br />

12<br />

10<br />

8<br />

6<br />

4<br />

2<br />

0<br />

HTPB/UPR<br />

MA-g-HTPB/UPR<br />

0 2 4 6<br />

Rubber concentration (%)<br />

Energy absorbed<br />

18<br />

16<br />

14<br />

12<br />

10<br />

8<br />

6<br />

4<br />

2<br />

0<br />

HTPB / UPR<br />

M A-g-HTPB/UPR<br />

0 2 4 6<br />

Rubber concentration (%)<br />

Fig. 5 Flexural strength <strong>of</strong> rubber modified Fig. 6 Water absorption <strong>of</strong> rubber modified<br />

res<strong>in</strong> as a function <strong>of</strong> rubber concentration res<strong>in</strong> as a function <strong>of</strong> rubber concentration<br />

Flexural strength (MPa)<br />

10 0<br />

90<br />

80<br />

70<br />

60<br />

50<br />

40<br />

30<br />

20<br />

10<br />

HTPB/UPR<br />

0<br />

0 2 4 6<br />

Rubber concentration (%)<br />

MA-g-HTPB/UPR<br />

Water absorption (%)<br />

0.4<br />

0.35<br />

0.3<br />

0.25<br />

0.2<br />

0.15<br />

0.1<br />

0.05<br />

0<br />

HTPB/ UPR<br />

M A-g-HTPB/UPR<br />

0 2 4<br />

Rubber concentration (%)<br />

6

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!