Method of controlling grain size in forged precipitation-strengthened alloys and components formed thereby
Components and methods of processing such components from precipitation-strengthened alloys so that the components exhibit desirable grain sizes following a supersolvus heat treatment. The method includes consolidating a powder of the alloy to form a billet having an average grain size. The billet i...
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| creator | GOLLER, GEORGE DIDOMIZIO, RICHARD STONITSCH, RAYMOND JOSEPH |
| description | Components and methods of processing such components from precipitation-strengthened alloys so that the components exhibit desirable grain sizes following a supersolvus heat treatment. The method includes consolidating a powder of the alloy to form a billet having an average grain size. The billet is then forged at a temperature below the solvus temperature to form a forging (10) having an average grain size of not coarser than the grain size of the billet. The billet is then forged at a total strain of at least 5%, after which at least a portion (14) of the forging (10) is heat treated at a temperature below the solvus temperature to pin grains within the portion (14). The entire forging (10) can then be heat treated at a temperature above the solvus temperature of the alloy without coarsening the grains in the portion (14). |
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The method includes consolidating a powder of the alloy to form a billet having an average grain size. The billet is then forged at a temperature below the solvus temperature to form a forging (10) having an average grain size of not coarser than the grain size of the billet. The billet is then forged at a total strain of at least 5%, after which at least a portion (14) of the forging (10) is heat treated at a temperature below the solvus temperature to pin grains within the portion (14). The entire forging (10) can then be heat treated at a temperature above the solvus temperature of the alloy without coarsening the grains in the portion (14).</description><language>eng ; fre ; ger</language><subject>ALLOYS ; BLASTING ; CASTING ; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS ; CHEMISTRY ; ENGINE PLANTS IN GENERAL ; FERROUS OR NON-FERROUS ALLOYS ; FORGE FURNACES ; FORGING ; HAMMERING ; HEATING ; INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS ; INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; MECHANICAL ENGINEERING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; METALLURGY ; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES ; PERFORMING OPERATIONS ; POWDER METALLURGY ; PRESSING METAL ; PUNCHING METAL ; RIVETING ; STEAM ENGINES ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WEAPONS ; WORKING METALLIC POWDER</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121107&DB=EPODOC&CC=EP&NR=2520679A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20121107&DB=EPODOC&CC=EP&NR=2520679A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GOLLER, GEORGE</creatorcontrib><creatorcontrib>DIDOMIZIO, RICHARD</creatorcontrib><creatorcontrib>STONITSCH, RAYMOND JOSEPH</creatorcontrib><title>Method of controlling grain size in forged precipitation-strengthened alloys and components formed thereby</title><description>Components and methods of processing such components from precipitation-strengthened alloys so that the components exhibit desirable grain sizes following a supersolvus heat treatment. The method includes consolidating a powder of the alloy to form a billet having an average grain size. The billet is then forged at a temperature below the solvus temperature to form a forging (10) having an average grain size of not coarser than the grain size of the billet. The billet is then forged at a total strain of at least 5%, after which at least a portion (14) of the forging (10) is heat treated at a temperature below the solvus temperature to pin grains within the portion (14). The entire forging (10) can then be heat treated at a temperature above the solvus temperature of the alloy without coarsening the grains in the portion (14).</description><subject>ALLOYS</subject><subject>BLASTING</subject><subject>CASTING</subject><subject>CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS</subject><subject>CHEMISTRY</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>FORGE FURNACES</subject><subject>FORGING</subject><subject>HAMMERING</subject><subject>HEATING</subject><subject>INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS</subject><subject>INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS</subject><subject>MAKING METALLIC POWDER</subject><subject>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>METALLURGY</subject><subject>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>PRESSING METAL</subject><subject>PUNCHING METAL</subject><subject>RIVETING</subject><subject>STEAM ENGINES</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WEAPONS</subject><subject>WORKING METALLIC POWDER</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjDEKAjEQRdNYiHqHucCCrqhYiqzYCBb2S0wm2Uh2JiTTrKc3ggewesV7_8_V64YysAV2YJgkc4yBPPisA0EJb4RKx9mjhZTRhBRES2BqimQkLwNSVTpGngposvVmTExIUr67scraZHxOSzVzOhZc_bhQcOke52uDiXssSZt6JX13b3ften84njbbP5IPhJlBog</recordid><startdate>20121107</startdate><enddate>20121107</enddate><creator>GOLLER, GEORGE</creator><creator>DIDOMIZIO, RICHARD</creator><creator>STONITSCH, RAYMOND JOSEPH</creator><scope>EVB</scope></search><sort><creationdate>20121107</creationdate><title>Method of controlling grain size in forged precipitation-strengthened alloys and components formed thereby</title><author>GOLLER, GEORGE ; DIDOMIZIO, RICHARD ; STONITSCH, RAYMOND JOSEPH</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2520679A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2012</creationdate><topic>ALLOYS</topic><topic>BLASTING</topic><topic>CASTING</topic><topic>CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS</topic><topic>CHEMISTRY</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>FORGE FURNACES</topic><topic>FORGING</topic><topic>HAMMERING</topic><topic>HEATING</topic><topic>INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS</topic><topic>INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS</topic><topic>MAKING METALLIC POWDER</topic><topic>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</topic><topic>MECHANICAL ENGINEERING</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>METALLURGY</topic><topic>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>PRESSING METAL</topic><topic>PUNCHING METAL</topic><topic>RIVETING</topic><topic>STEAM ENGINES</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WEAPONS</topic><topic>WORKING METALLIC POWDER</topic><toplevel>online_resources</toplevel><creatorcontrib>GOLLER, GEORGE</creatorcontrib><creatorcontrib>DIDOMIZIO, RICHARD</creatorcontrib><creatorcontrib>STONITSCH, RAYMOND JOSEPH</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GOLLER, GEORGE</au><au>DIDOMIZIO, RICHARD</au><au>STONITSCH, RAYMOND JOSEPH</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method of controlling grain size in forged precipitation-strengthened alloys and components formed thereby</title><date>2012-11-07</date><risdate>2012</risdate><abstract>Components and methods of processing such components from precipitation-strengthened alloys so that the components exhibit desirable grain sizes following a supersolvus heat treatment. The method includes consolidating a powder of the alloy to form a billet having an average grain size. The billet is then forged at a temperature below the solvus temperature to form a forging (10) having an average grain size of not coarser than the grain size of the billet. The billet is then forged at a total strain of at least 5%, after which at least a portion (14) of the forging (10) is heat treated at a temperature below the solvus temperature to pin grains within the portion (14). The entire forging (10) can then be heat treated at a temperature above the solvus temperature of the alloy without coarsening the grains in the portion (14).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BLASTING CASTING CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS FORGE FURNACES FORGING HAMMERING HEATING INDEXING SCHEME FOR ASPECTS RELATING TONON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES ORJET-PROPULSION PLANTS INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING MACHINES OR ENGINES IN GENERAL MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PERFORMING OPERATIONS POWDER METALLURGY PRESSING METAL PUNCHING METAL RIVETING STEAM ENGINES TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS WORKING METALLIC POWDER |
| title | Method of controlling grain size in forged precipitation-strengthened alloys and components formed thereby |
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