Document 6wr8kkra2XRQe7w5byX6ONGd4

jito- ao'ii/w ^ LABORATORY CCMHITTZE MEETING / April 11, 1963 Messrs: R. V. Higgins T. S. Cleualng > J. W. Hesbeio f B. B. S pee linen x' E. B. Harden B. L. Boa be in J. A. Buettgen Gentlemen: Tba meeting va called to order at 10:30 a. a. oa April 11, 1963 la the Aurora Laboratory conference rooa. Tbe east meeting will be held la the saae place May 9, 1963. ACTIOr? TAXES OS REGULAR AGSSDA: 1. E13-B Temperature Gradient Comparator Mr. Higgins mill write Mr. Geo. Cobsugh, of Barbisoo-tfelkar for gradieats and samples of tbeir material sad Mr. Merden will test and evaluate tba results as outlined on previous Laboratory Re ports . Mr. John Bosbeia has all notes on the comparator and Mr. Biggins will give him the photostats of original drawings 2. S32-A DEVELOPMENT OF "MS" WALLS ASD ARCHES - MODELS The revised structural steel for the remaining nose constructions is now drawn up aad is awaiting final check by Mr. E. W. Biz. There will be sevorsl designs. 3. E36-B A3RES1ST CEMENT Materials still to be tested are "Aaaeite" by Balleedte aad Basin Cement ttE" by Callcote. Other samples available are by Fllatkote. Mr. Mordon developed a Lomnite cement bass materiel which is workable for lfc hours and has a complete set in 3 hours. This eeoant was tasted by Mr. B. Hotbein but no report is available. The "Xarho" material new at the plant requires several additives which, if not used carefully, could result in a violcse reaction. Before proceeding with tba teat of "Karbo" Mr. Bruce Abell will be consultad oa tbs proper procedure in safely hand ling these materials. 4. S3S-A DRTUC OUT DATA All tsats under this project have now bean completed. Messrs. Biggins. Harden aad Buetcgan will evaluate the results and issue a final report. 5, F3-B SUPER 711 - RESEARCH Mr. Clausing reported that he was successful in having the Bureau of Ships eliminate, temporarily, tba consistency teat applicable to thia product. Mr. Clousing submitted tbs new speciflest loos which Mr. Speelaaa will check end determine which items our product meets snd which items should be deleted. April 11, 1563 5. P3-B SUPEX 711 - SESEASCX/eoBCloued C Mr. Spealmau raperted that ianuaarable Casta hava baen aada on Soper 711 and bis conclusion Is chat the excessive shrinkage Is due eo tba Bentonite clay used la eba process. Ssaplas of eba clay have boea saac Co cbe suppllar and chair Cases eback one slallar co our casts. Of all eba foraulatloos tasead Cba oaa having aa addition of 10X Foreland caoeat seamed Cba best alebougb 1c did not meat Cha ab rasion ease. A Csaporary, iatarla foraula ebaaga uas oada covering eba addition of Portland cement. Tba Sagla "66" ceaant ms tasted for shrinkage and dansity and found satisfactory. Allowable shrinkage is 201 and this osaant checked out at 19T. Further eback and caeca will be aede. 6. D2-B PV30SCAT Tests on this product, using additives to prsvene checkering, will continue when cine la available. Mr. Harden reported that preliminary teats oa Eagle Fireproofing cement indicate that tba physical characterlatics era similar to our ^jttThara-- eLU5fc~.^ft> js&= 7. S39-A REFRACTOR* HABCSX KAIL CASTORS TEMPERATURE STTOT c; CMC iS'-i S. 01-B Hasera. Harden and Buettgan have completed tw teats to data. Tba first Cast uas halted because of amlfuaetioo of e controller. The second teat su completed and a third teat la being readied. A report vill be Issued whan final teat la completed. yf i fj *>/ K J 3DECSBTB - CALCRETE. Masers. Biggins/^HParden and Buettgan worked up caatative L&la g_M..illiiei_a.cs--. 9% Original gradients vara baaed on Liwovieh curves issued by Universal ^^Atlas. The oav earner vill be seat, on a temporary basis, to a 'limited ouaber of^people. gggPMJECT^ 3^6 Hr. X. 0. WesCaen of Berth Haaebaatar Foundry requested that eba Laboratory investigate the physical and thermal properties of a coating (per letter of Harch 26) they are producing for a local incinerator aanafactnrer. Preliminary investigation indicates that me do not have suitable laboratory equipment for soma of the testa requested. Further discussion vill be held oo this project to determine idiot equipment is needed and to outline procedure for the teats that can be made at the laboratory. JAB:ve Copies eo: Masers. L. B. Hoabain C. F. Pollan B. A. Rowley Aurora File Respectfully submitted m. a. Djrmcr company R & 0 Laboratory J. A. Buettgan