10 A Novel High-Efficiency Keyhole Tungsten Inert Gas …
319
Fig. 10.4 The front and back pictures of the armour grade quenched and tempered steel a–b 525 A
c–d 545 A e–f 565 A g–h 575 A [14]
319
Fig. 10.4 The front and back pictures of the armour grade quenched and tempered steel a–b 525 A
c–d 545 A e–f 565 A g–h 575 A [14]