PROCESS FOR PROCESSING SINTERED HARD ALLOY WASTES
Procedeul, conform inventiei, prevede în scopul reducerii duratei procesului de prelucrare a deseurilor si a obtinerii concomitent a pulberii extrafine de zinc cu granulatia mai mica sau egala 3 miu m si activitatea chimica mai mare sau egala 95%, tratarea termica preliminara a deseurilor sortate de...
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| creator | FRUMOSU LADISLAU GRIGORESCU DAN AVRAM ION |
| description | Procedeul, conform inventiei, prevede în scopul reducerii duratei procesului de prelucrare a deseurilor si a obtinerii concomitent a pulberii extrafine de zinc cu granulatia mai mica sau egala 3 miu m si activitatea chimica mai mare sau egala 95%, tratarea termica preliminara a deseurilor sortate de aliaje dure sinterizate, timp de 25-40 min la 1800-2250 degree C în atmosfera de hidrogen cu un debit de 1,3-2m cubi/l pentru realizarea difuziei metalului liant prin profunzime spre suprafata cît si pentru aparitia porozitatii si fragilitatii si preamestecarea subsecventa a deseurilor astfel tratate cu zinc, la un raport de greutate de minimum 1:1,1 în vederea distrugerii structurale. |
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| language | eng ; rum |
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| subjects | CASTING CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER |
| title | PROCESS FOR PROCESSING SINTERED HARD ALLOY WASTES |
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