MANUFACTURE OF IRON ALLOY HAVING SATISFACTORY RESISTANCE TO STRESS CORROSION CRACKING
PURPOSE:To obtain the titled iron alloy capable of satisfying requirements for the improvement of reliability and having satisfactory solderability by specifying conditions during final heat treatment when an Fe-Ni-(Cr) alloy having a low coefft. of thermal expansion is manufactured. CONSTITUTION:An...
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| creator | TSUJI MASAHIRO TOE TAMIO |
| description | PURPOSE:To obtain the titled iron alloy capable of satisfying requirements for the improvement of reliability and having satisfactory solderability by specifying conditions during final heat treatment when an Fe-Ni-(Cr) alloy having a low coefft. of thermal expansion is manufactured. CONSTITUTION:An iron alloy consisting of 30-55wt% Ni and the balance Fe or further contg. 3-8wt% Cr, having a low coefft. of thermal expansion and useful as a lead material for a semiconductor device or a material for sealing glass is manufactured. At this time, the iron alloy is finally heat treated at such a high temp. as >=600 deg.C in a nonoxidizing atmosphere. The dew point of the atmospheric gas has been regulated to -20--50 deg.C. By the heat treatment, a thin surface oxide film having satisfactory solderability is formed and an iron alloy showing resistance to stress corrosion cracking is obtd. |
| format | Patent |
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CONSTITUTION:An iron alloy consisting of 30-55wt% Ni and the balance Fe or further contg. 3-8wt% Cr, having a low coefft. of thermal expansion and useful as a lead material for a semiconductor device or a material for sealing glass is manufactured. At this time, the iron alloy is finally heat treated at such a high temp. as >=600 deg.C in a nonoxidizing atmosphere. The dew point of the atmospheric gas has been regulated to -20--50 deg.C. By the heat treatment, a thin surface oxide film having satisfactory solderability is formed and an iron alloy showing resistance to stress corrosion cracking is obtd.</description><language>eng</language><subject>ALLOYS ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>1987</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=19870626&DB=EPODOC&CC=JP&NR=S62142718A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870626&DB=EPODOC&CC=JP&NR=S62142718A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TSUJI MASAHIRO</creatorcontrib><creatorcontrib>TOE TAMIO</creatorcontrib><title>MANUFACTURE OF IRON ALLOY HAVING SATISFACTORY RESISTANCE TO STRESS CORROSION CRACKING</title><description>PURPOSE:To obtain the titled iron alloy capable of satisfying requirements for the improvement of reliability and having satisfactory solderability by specifying conditions during final heat treatment when an Fe-Ni-(Cr) alloy having a low coefft. of thermal expansion is manufactured. CONSTITUTION:An iron alloy consisting of 30-55wt% Ni and the balance Fe or further contg. 3-8wt% Cr, having a low coefft. of thermal expansion and useful as a lead material for a semiconductor device or a material for sealing glass is manufactured. At this time, the iron alloy is finally heat treated at such a high temp. as >=600 deg.C in a nonoxidizing atmosphere. The dew point of the atmospheric gas has been regulated to -20--50 deg.C. By the heat treatment, a thin surface oxide film having satisfactory solderability is formed and an iron alloy showing resistance to stress corrosion cracking is obtd.</description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi0EKwjAQAHvxIOof1gd4aBX1uiyJjdas7CZCT6VIPIkW6v8xgg_wNAzMTIt4Rh8tUohigC04YQ_YNNxCjVfnD6AYnH4LlhbEqNOAngwEBg3ZFYhFWF0eSZBOeZoXk3v_GNPix1mxtCZQvUrDq0vj0N_SM72740W3VbmpduUe1_80H511MSw</recordid><startdate>19870626</startdate><enddate>19870626</enddate><creator>TSUJI MASAHIRO</creator><creator>TOE TAMIO</creator><scope>EVB</scope></search><sort><creationdate>19870626</creationdate><title>MANUFACTURE OF IRON ALLOY HAVING SATISFACTORY RESISTANCE TO STRESS CORROSION CRACKING</title><author>TSUJI MASAHIRO ; TOE TAMIO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS62142718A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1987</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>TSUJI MASAHIRO</creatorcontrib><creatorcontrib>TOE TAMIO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TSUJI MASAHIRO</au><au>TOE TAMIO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MANUFACTURE OF IRON ALLOY HAVING SATISFACTORY RESISTANCE TO STRESS CORROSION CRACKING</title><date>1987-06-26</date><risdate>1987</risdate><abstract>PURPOSE:To obtain the titled iron alloy capable of satisfying requirements for the improvement of reliability and having satisfactory solderability by specifying conditions during final heat treatment when an Fe-Ni-(Cr) alloy having a low coefft. of thermal expansion is manufactured. CONSTITUTION:An iron alloy consisting of 30-55wt% Ni and the balance Fe or further contg. 3-8wt% Cr, having a low coefft. of thermal expansion and useful as a lead material for a semiconductor device or a material for sealing glass is manufactured. At this time, the iron alloy is finally heat treated at such a high temp. as >=600 deg.C in a nonoxidizing atmosphere. The dew point of the atmospheric gas has been regulated to -20--50 deg.C. By the heat treatment, a thin surface oxide film having satisfactory solderability is formed and an iron alloy showing resistance to stress corrosion cracking is obtd.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | MANUFACTURE OF IRON ALLOY HAVING SATISFACTORY RESISTANCE TO STRESS CORROSION CRACKING |
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