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oldcorollas Forums Junkie Location: Kita-Ku, Sapporo, Japan Registered: January 2003	Re: 4A-GZE pistons, the TRUTH! Sun, 20 June 2004 11:36 Hot Isostatic Press? http://www.aiphip.com/WebPages/isostatic_overview. html Quote: Fatigue life is often better than achieved by any other processing method. HIPping can also be used to consolidate unusual powder combinations such as superconductors, ferrite’s, nuclear wastes, etc. It also is used to diffusion bond same and dissimilar materials that cannot be bonded otherwise. Many applications such as transparent ceramics cannot be manufactured any other way than HIPping. a firend was using HIP to make 'functionally gradient materials" going from stainless steel to .. i think hydroxyapatite (bone like material) using HIP... interesting stuff. HIP's usually used when forming items from powder.. ie "powder metallurgy" and is like sintering of ceramics, but under pressure. but can be used for casting consolidation. the new BOSS 290 ford rods are sintered.... the pistons are definitely not HIP'd, as you would not see flow lines of any sort in the metal, as in the image above. well Squeeze casting and semi-solid forming are not exactly common processes. i think you need to have excellent temperature control (within a few degrees) to keep the metal between the 'liquidus' and 'solidus', ie, it is a mush like half frozen cordial? the mush is then forced into a mold... under how much pressure depends on much much is solid and how much is liquid... could result in flow lines, but the microstructure should still have casting artefacts, like dendritic structures (or remnants of these after heat treatment) it is not an old techanology, but i'm finding out as much as i can... for a head start, there are some papers in one of the mid 90's "materials forum" conference publications... in a weeks time Cya, Stewart [Updated on: Sun, 20 June 2004 11:50] [Report message to a moderator]

	Subject	Poster	Date
	4A-GZE pistons, the TRUTH!	THE WITZL	Sun, 20 June 2004 02:39
	Re: 4A-GZE pistons, the TRUTH!	THE WITZL	Sun, 20 June 2004 05:32
	Re: 4A-GZE pistons, the TRUTH!	IRA11Y	Sun, 20 June 2004 09:02
	Re: 4A-GZE pistons, the TRUTH!	draven	Sun, 20 June 2004 09:29
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Sun, 20 June 2004 10:27
	Re: 4A-GZE pistons, the TRUTH!	IRA11Y	Sun, 20 June 2004 10:36
	Re: 4A-GZE pistons, the TRUTH!	YelloRolla	Sun, 20 June 2004 10:49
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Sun, 20 June 2004 11:36
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Sun, 20 June 2004 11:50
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Sun, 20 June 2004 11:53
	Re: 4A-GZE pistons, the TRUTH!	Bill Sherwood	Sun, 20 June 2004 13:29
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Sun, 20 June 2004 16:07
	Re: 4A-GZE pistons, the TRUTH!	Brenton_TA23	Mon, 21 June 2004 10:55
	Re: 4A-GZE pistons, the TRUTH!	4ageeza	Mon, 21 June 2004 11:19
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Mon, 21 June 2004 11:43
	Re: 4A-GZE pistons, the TRUTH!	4ageeza	Mon, 21 June 2004 14:24
	Re: 4A-GZE pistons, the TRUTH!	feral4mr2	Mon, 21 June 2004 21:12
	Re: 4A-GZE pistons, the TRUTH!	YelloRolla	Tue, 22 June 2004 09:14
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Thu, 24 June 2004 11:34
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Thu, 24 June 2004 11:36
	Re: 4A-GZE pistons, the TRUTH!	Bill Sherwood	Thu, 24 June 2004 20:31
	Re: 4A-GZE pistons, the TRUTH!	IRA11Y	Thu, 24 June 2004 21:51
	Re: 4A-GZE pistons, the TRUTH!	CLG	Fri, 25 June 2004 01:15
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Fri, 25 June 2004 13:09
	Re: 4A-GZE pistons, the TRUTH!	EMP-2TG	Sat, 26 June 2004 02:26
	Re: 4A-GZE pistons, the TRUTH!	allencr	Thu, 24 June 2004 14:22
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Thu, 01 July 2004 06:17
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Thu, 01 July 2004 06:21
	Re: 4A-GZE pistons, the TRUTH!	THE WITZL	Thu, 24 June 2004 23:14
	Re: 4A-GZE pistons, the TRUTH!	kingmick	Fri, 25 June 2004 00:45
	Re: 4A-GZE pistons, the TRUTH!	draven	Sat, 26 June 2004 04:03
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Sat, 26 June 2004 08:39
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Sat, 26 June 2004 08:43
	170bhp vs smuggla?	*rivmasta*	Mon, 06 June 2005 08:28
	Re: 4A-GZE pistons, the TRUTH!	EMP-2TG	Sat, 26 June 2004 16:00
	Re: 4A-GZE pistons, the TRUTH!	Rod83	Sat, 26 June 2004 18:23
	Re: 4A-GZE pistons, the TRUTH!	YelloRolla	Sun, 27 June 2004 06:59
	Re: 4A-GZE pistons, the TRUTH!	Allan	Sun, 27 June 2004 07:22
	Re: 4A-GZE pistons, the TRUTH!	IRA11Y	Sun, 27 June 2004 08:36
	Re: 4A-GZE pistons, the TRUTH!	THE WITZL	Sun, 27 June 2004 12:12
	Re: 4A-GZE pistons, the TRUTH!	EMP-2TG	Sun, 27 June 2004 13:43
	Re: 4A-GZE pistons, the TRUTH!	Lucid	Mon, 28 June 2004 10:10
	Re: 4A-GZE pistons, the TRUTH!	Grega	Mon, 28 June 2004 09:35
	Re: 4A-GZE pistons, the TRUTH!	ae95	Mon, 28 June 2004 10:16
	Re: 4A-GZE pistons, the TRUTH!	SeptemberSquallIndustries	Mon, 28 June 2004 10:47
	Re: 4A-GZE pistons, the TRUTH!	ae95	Mon, 28 June 2004 11:02
	Re: 4A-GZE pistons, the TRUTH!	oldcorollas	Thu, 01 July 2004 06:50
	Re: 4A-GZE pistons, the TRUTH!	clubagreenie	Mon, 28 June 2004 12:32
	Re: 4A-GZE pistons, the TRUTH!	mrshin	Mon, 28 June 2004 13:18
	Re: 4A-GZE pistons, the TRUTH!	EMP-2TG	Mon, 28 June 2004 13:23

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