Album Lead free soldering from .:madworm:.

sac8250_lead-free_4

nobody@ipernity.com (.:madworm:.) — Mon, 15 Sep 2008 05:24:59 +0000

top: Sn95.5Ag3.8Cu0.7 flux: F-SW34 (no-clean)
bottom: Sn60Pb38Cu2
temp: 350°C

no problem with SnPbCu solder. the lead-free stuff wets badly, doesn't stay liquid long enough and gets solid in strange ways.

sac8250_lead-free_3

nobody@ipernity.com (.:madworm:.) — Mon, 15 Sep 2008 05:24:43 +0000

.:madworm:. has posted:

SnAgCu solder: spot 1
SnPbCu solder: spot 2

sac8250_lead-free_1

nobody@ipernity.com (.:madworm:.) — Mon, 15 Sep 2008 05:24:47 +0000

.:madworm:. has posted:

SnPbCu solder: spot 1-3
SnAgCu solder: spot 4-7

sac8250_lead-free_2

nobody@ipernity.com (.:madworm:.) — Mon, 15 Sep 2008 05:24:52 +0000

.:madworm:. has posted:

lead-free solder, bad finish, doesn't even stick to the copper wire properly.