what heatsink - Page 5

Sidney · 12th April 2004, 04:04

Quote:

copper can conduct the heat faster than for example aluminium, but it also keeps the heat longer inside than the just named aluminium.

Disagree. Copper transfers heat faster than alum = absorbs and dissipates faster than alum.

However, brass looks / feels like copper, is worst than alum in heat transfer characteristic. The impurities in brass make conduction lower.

One will never know so called copper heatsink from Countries with questionable supply of materials is really copper or brass.

12th April 2004, 10:03

Quote:

Originally posted by lazyman
Disagree. Copper transfers heat faster than alum = absorbs and dissipates faster than alum.

However, brass looks / feels like copper, is worst than alum in heat transfer characteristic. The impurities in brass make conduction lower.

One will never know so called copper heatsink from Countries with questionable supply of materials is really copper or brass.

how can you check if a heatsink is copper or brass?

13th April 2004, 00:04

Brass = Yellow Copper

Real copper should be red, brass has a yellowish/orange color. (metal used for H²O couplings)

Sidney · 13th April 2004, 00:24

Copper is softer than brass. I was thinking to use rockwell hardness testing guage if you could get one around. I know for sure Swiftech and Stock Intel sinks are made of copper; there is one questionable one here but I don't want to name it.

13th April 2004, 00:24	#44
Sidney Member Join Date: Mar 2004 Posts: 15,738	Copper is softer than brass. I was thinking to use rockwell hardness testing guage if you could get one around. I know for sure Swiftech and Stock Intel sinks are made of copper; there is one questionable one here but I don't want to name it. __________________ lazyman Opteron 165 (2) @2.85 1.42 vcore AMD Stock HSF + Chill Vent II

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Thermaltake TMG IA1 CPU Heatsink	jmke	WebNews	0	30th November 2009 13:43
Zalman CNPS8700 LED Low Noise Heatsink Review	jmke	WebNews	0	7th February 2008 09:50
Akasa Evo Blue AK-922 Heatsink	jmke	WebNews	0	20th June 2007 00:28
Thermalright announces heatsink monster: IFX-14 CPU Cooler	jmke	WebNews	4	23rd March 2007 13:15
Zalman CNPS9500-AM2 Socket AM2 Low Noise Heatsink	jmke	WebNews	2	24th May 2006 00:11
AMD Socket-AM2 K9 Heatsink Spotted in the Wild?	Sidney	WebNews	2	16th February 2006 18:22
Dynatron A41 V-Shaped Skived Athlon64 Heatsink	Sidney	WebNews	0	1st November 2005 23:48
Scythe Shogun CPU Heatsink	Sidney	WebNews	5	1st July 2005 17:46
Radian Heatsink Crown Helix Cooler	Sidney	WebNews	0	22nd October 2004 05:31
Radian Heatsink Crown Helix Cooler	Sidney	Articles & Howto's	0	22nd October 2004 05:24

13th April 2004, 00:04	#43
FreeStyler Posts: n/a	Brass = Yellow Copper Real copper should be red, brass has a yellowish/orange color. (metal used for H²O couplings)