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To: John Finley who wrote (24)	1/28/2000 11:31:00 AM
From: kinkblot	Read Replies (1) \| Respond to of 52

BAM! AlMgB14 + X The new second-hardest bulk substance, aluminum magnesium boride with additives: external.ameslab.gov This material has a 64 atom unit cell versus 8 for diamond, and is not a structure that the experts would expect to have such high hardness. The unexpected result is enough to get scientists "salivating." These guys will just have to 'shake and bake' their own <g>: Experimental work performed to date has involved relatively small specimens (typically a few grams). Following initial announcement of this discovery, numerous inquiries were received from industry and other research institutions requesting material for testing. Many of the requestors sought to obtain one to two kilogram quantities. Unfortunately, the present inventory of material (about 50 grams total consisting of different compositions and thermal history) is insufficient to meet this demand. The Business Bulletin column in today's Wall Street Journal has a couple of paragraphs about it. Cook and Russell have applied for a patent on the material, tentatively called BAM. The alloy is different from most other ultrahard materials in that it's a good conductor of electricity, according to Russell. WT