microcosmic metallographic analysis -凯发官网入口首页

microcosmic metallographic analysis

purposes:

mainly used for inspection of metal material microscopic organization composition and judgment of heat treatment quality.

applications:

cast iron, steel, copper alloy, aluminum alloy, magnesium alloy, nickel alloy, titanium alloy, etc.

tested flow:

sampling→cleaning→inlaying→grinding→polishing→etching→observeing

reference standard:

steel:

gb/t 13298-1991 metal—inspection method of microstrcture

gb/t 13299-1991 steel—determination of microstrucyure

gb/t 9441-2009 metallographic test for spheroidal graphite cast iron

gb/t 7216-2009 metallographic test for gray cast iron

gb/t 1299-2014 tool and mould steels  

gb/t 13320-2007 metellographic grading atlas and assessing method for steel die forgings

gb/t 11354-2005 determination of nitrided case depth and metallographic microstructure examination for steel and iron parts

gb/t 13305-2008 micrographic method for determining area content of the α-phases in stainless steels

gb/t 4334-2008 corrosion of metals and alloys—test mthods for intergranular corrosion of stainless steels

gb/t 14979-1994 eutectic carbide of steel—micrographic method using standard diagrams  

jb/t 1255-2001 specification for heat-treatment of rolling bearing parts made from high carbon chromium steel

jb/t 9204-2008 metallographic examination of induction hardened steel parts

jb/t 7710-2007 determination of microstructure for the thin layer carbonitriding or carburizing elements

jb/t 7713-2007 metallographic examination method of high-carbon high-alloy cold-work tool steel

copper and copper alloys:

qj 2337-1992 microstructure analysis of be-bronze

magnesium and magnesium alloys:

gb/t 4296-2004 inspection method for microstructure of wrought magnesium alloy

aluminum and aluminum alloys:

jb/t 7946.1-1999 metallograph of cast aluminium alloys cast aluminum-silicon alloys —modification

jb/t 7946.2-1999 metallograph of cast aluminium alloys cast aluminium-silicon alloys —burning

jb/t 7946.3-1999 metallograph of cast aluminium alloys cast aluminium-silicon alloys —pinhole

jb/t 7946.4-1999 metallograph of cast aluminium alloys cast aluminium-silicon alloys —grain size

classic photos:

microstructure of 45 steel	microstructure of alloy tool steel
intergranular corrosion of 314 stainless steel	microstructure of duplex stainless steel
microstructure of aluminum alloys	microstructure of copper alloys