Gepair yana koya muku yadda ake gane igiya ta bakin karfe

Yanzu yawancin masana'antun masana'antu za su yi amfani da kayan igiya na bakin karfe don samarwa, don gano bakin karfe na karya, ana iya ɗaukar wasu matakai da hanyoyi. Duk da haka, yawancin abokan ciniki ba su san hanyar da za a iya amfani da su don ganowa ba. Wadannan nau'ikan hanyoyin tantancewa an jera su taGepair tensile raga.

1, Hanyar gwajin Magnetic

Hanyar gwajin Magnetic ita ce mafi asali kuma mafi yawan bambance-bambance tsakanin austenitic bakin karfe da ferritic bakin karfe shine hanya mafi sauƙi, austenitic bakin karfe ba magnetic karfe ba, amma bayan babban matsa lamba sanyi aiki zai sami m Magnetic; Kuma tsarki chromium karfe da low gami. karfe ne mai karfi Magnetic karfe.

2. Nitric acid point gwajin

Siffar bangaran igiyar waya ta bakin karfe ita ce juriyar lalatawar da ta ke da ita ga mai da hankali da kuma tsarma nitric acid, wanda ke sa shi saukin bambanta da sauran karafa ko gami.Duk da haka, babban carbon 420 da 440 karafa an dan lalata su a cikin gwajin maki na nitric acid, kuma karafa maras takin suna lalata nan da nan a cikin nitric acid mai da hankali, yayin da nitric acid dilute nitric acid yana da tasiri mai karfi akan carbon karfe.

3, Copper sulfate point gwajin

Copper sulfate batu kokarin zama mai sauri don bambanta tsakanin talakawa carbon karfe da kuma mafi sauki hanyar kowane irin bakin karfe waya igiya, da yin amfani da taro na wani bayani na jan karfe sulfate ne 5% - 10%, kafin aya gwaje-gwaje, gwajin yankin. ya kamata a sosai cire mai da sauran ƙazanta, zane ko taushi nika polishing da nika karamin yanki, sa'an nan a gwada droplets zuwa ƙone, talakawa carbon karfe ko baƙin ƙarfe zai samar a cikin 'yan secondsA Layer na surface karfe jan karfe, kuma fuskar gwajin bakin karfe ba ya haifar da hazo ko nuna launin jan karfe.

4, Hanyar gwajin sulfuric acid

Sulfuric acid nutsewa na bakin karfe na iya bambanta 302 da 304 daga 316 da 317. The yankan gefen samfurin ya kamata a finely ƙasa, sa'an nan kuma tsabtace da passivated a cikin sulfuric acid tare da ƙarar taro na 20% ~ 30% da zazzabi na 60. ~66℃ na rabin sa'a. Lokacin da ƙarar maida hankali na sulfuric acid bayani shine 10% kuma mai tsanani zuwa 71 ℃, 302 da 304 suna nutsewa a cikin maganin, karfe yana da sauri ya lalace kuma yana samar da adadi mai yawa na kumfa, kuma samfurin ya zama baki a cikin 'yan mintoci kaɗan. 316 da 317 samfurin karfe ba a lalata ko lalata sosai a hankali (babu kumfa), gwajin cikin mintuna 10 ~ 15 ba ya canzawa. launi.Gwajin na iya zama mafi daidai idan ana amfani da samfurin tare da sanannun abun da ke ciki don kwatankwacin kwatance.