352
Y. Shi et al.
(a)
(b)
(c)
Fig. 10.36 Euler diagram of each area in S32101 duplex stainless steel K-TIG welded joint (Test
1–4). a BM, b HAZ, c WM
Table. 10.8 Average grain sizes and proportion of the phase in the welded joint
Phase
BM
HAZ
WM
Ferrite
Grain size (μm)
10.01
16.21
26.15
Fraction (%)
51.9
63.8
59.8
Austenite
Grain size (μm)
8.52
13.41
22.94
Fraction (%)
48.1
36.8
40.2
has changed significantly, in which the proportion of austenite is reduced to 36.8%.
A large number of large-sized grains appeared in the WM, and columnar crystal
grew along the direction of the maximum temperature gradient. The proportion of
austenite becomes 40.2%.
Y. Shi et al.
(a)
(b)
(c)
Fig. 10.36 Euler diagram of each area in S32101 duplex stainless steel K-TIG welded joint (Test
1–4). a BM, b HAZ, c WM
Table. 10.8 Average grain sizes and proportion of the phase in the welded joint
Phase
BM
HAZ
WM
Ferrite
Grain size (μm)
10.01
16.21
26.15
Fraction (%)
51.9
63.8
59.8
Austenite
Grain size (μm)
8.52
13.41
22.94
Fraction (%)
48.1
36.8
40.2
has changed significantly, in which the proportion of austenite is reduced to 36.8%.
A large number of large-sized grains appeared in the WM, and columnar crystal
grew along the direction of the maximum temperature gradient. The proportion of
austenite becomes 40.2%.