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Relation Between Niwnch Teaperature
XT Experimental aork 32
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abnormal steel absorption ahowe alcchol alpha-iron aluminum amount aoid appears ateel austenite barium carbonate boundariss Brinell bstween carburiaing cementite cent carbon cent nitric colloidal critical point deoxidizing diffusion dissolved oxides distinctly drastic quenching ehowing eight steels elightly enoms eteel eutectoid examined factors ferrite Figure 22 free ferrite hardness heat treatment higher magnification increased irregular hardening large grain low-carbon steels manganese martensite microscope mixture nitric acid non-regenerating steel normal and abnormal normal or abnormal normal steel oaae oarburising oarburizing obtained originel oxygen pearlite areas pearlite grains percentage present produce promote structural normality quench temperature quenched in running quenched in water regenerating and non-regenerating residual silicon result rsported running water show soft spote shown in Figure silicon solubility solution stching stcol steal structural abnormality taad teat theee Thia thin thio ths regeneration test tion trooatita tstragonal phase ueed UoQuaid-Ehn