利用小角中子核磁散射分离研究<strong>AerMet100</strong>钢中纳米析出相的形貌和成分

利用小角中子核磁散射分离研究AerMet100钢中纳米析出相的形貌和成分

柯于斌, 李彬, 段辉平

Morphology and Chemical Composition of Nanoprecipitate in AerMet100 Steel by Separation of the Nuclear and Magnetic Small-Angle Neutron Scattering Data

KE Yubin, LI Bin, DUAN Huiping

表1 AerMet100钢组成相的成分、密度及中子散射长度密度

Table 1 Chemical compositions, densities and neutron scattering length densities of phases in AerMet100 steel

Phase	Chemical composition	Density / (g·cm^-3)	ρ_N / (10¹⁰ cm^-2)	ρ_M / (10¹⁰ cm^-2)
Martensite lath matrix	Fe_70.92Co_13.4Ni_11.1Cr_3.1Mo_1.2C_0.23Ti_0.05	7.62	6.84	4.43
Reverse austenite film	Fe_70.92Co_13.4Ni_11.1Cr_3.1Mo_1.2C_0.23Ti_0.05	7.59	6.74	0
Needle-like carbide	(Cr _x Mo _y )C	Unknown	5.21	0
Tempered particle	Fe₃Mo₃C	9.17	6.52	-