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Kedu otu esi eme nyocha metallographic mgbe emenyụchara ọkụ ọkụ induction induction?

Kedu otu esi eme nyocha metallographic mgbe emenyụchara ọkụ ọkụ induction induction?

Metallographic nnyocha nke pearlite ductile ígwè akụkụ mgbe induction kpo oku quenching ga-eme dị ka JB/T 9205-2008 “Induction kpo oku ọkụ quenching metallographic nnyocha nke pearlite ductile ígwè akụkụ”

1) Mgbe emenyụchara ihe nkedo pearlitic ductile iron n’ọkụ ọkụ ọkụ na-ekpo ọkụ dị elu na nke etiti na obere okpomọkụ (W200T), a ga-ewere ihe nlele metallographic n’etiti mpaghara induction quenching ma ọ bụ n’ebe akọwapụtara site na teknụzụ. ọnọdụ.

2) Mgbe emechara, a na-etinye ihe nlele metallographic na ngwọta mmanya nwere 2% ruo 5% nitric acid site na olu ruo mgbe egosipụtara oyi akwa siri ike.

3) Dịka ntuziaka nhazi microstructure nke egosiri na Tebụl 6.2 na eserese nhazi microstructure na JB/T 9205-2008, mee nyocha metallographic. N’ime ha, akara ule 3 ruo 6 tozuru oke; mgbe enwere ihe ndị pụrụ iche chọrọ, a ga-emejuputa ha dịka akwụkwọ nkà na ụzụ dị mkpa si dị.

Tebụl 6-2 Nkọwa nke nhazi ọkwa microstructure nke nkedo ígwè pearlite ductile ka emenyụchara n’ime ọkụ ọkụ induction.

Ọkwa/ọkwa Njirimara nhazi
1 Martensite siri ike, nnukwu austenite ejidere, ledeburite, graphite spheroid
2 Martensite siri ike, nnukwu austenite echekwabara, graphite spheroidal
3 Martensite, nnukwu ejidere austenite, graphite okirikiri
4 Martensite, obere ego nke austenite echekwabara, graphite spheroidal
5 Ọmarịcha martensite, graphite okirikiri
6 Ọmarịcha martensite, obere ego ferrite na-agbaze, graphite spheroidal
7 Ọmarịcha martensite, obere pearlite na-agbazebeghị, ferrite na-agbazeghị, graphite okirikiri.
8 Ọmarịcha martensite, nnukwu pearlite na-agbazebeghị, ferrite na-agbazeghị, graphite okirikiri.