中子表征技术在金属结构材料研究中的应用
王延绪, 龚武, 苏玉华, 李昺

Application of Neutron Characterization Techniques to Metallic Structural Materials
WANG Yanxu, GONG Wu, SU Yuhua, LI Bing
表1 代表性的工程材料研究平台[4,12~22]
Table 1 Neutron instruments for engineering materials[4,12-22]
SourceInstrumentParameterMain sample environment

SNS

VULCAN[12] (ED)

Δd / d = 0.25%

Loading frame (100 kN, 30 Hz)

Furnace (RT-1773 K)

Liquid N2 cooling jar free (80 K-RT)

Additive manufacturing system

VENUS (BEI)Under construction

J-PARC

TAKUMI[13] (ED)

Δd / d = 0.2%

High temperature loading frame (50 kN, RT-1273 K)

Cryogenic loading frame (50 kN, 10 K-RT)

Fatigue machine (60 kN, 30 Hz)

Eulerian cradle

RADEN[14,15] (BEI)

Δλ / λ = 0.2%

SR: 10 μm (camera-type detector), 100 μm (counting-type detector)

Furnace (RT-1173 K)

Polarization analysis system

ISISENGIN-X[4] (ED)Δd / d = 0.26%

High temperature loading frame (100 kN, RT-1373 K)

Cryogenic loading frame (50 kN, 10 K-RT)

IMAT[16] (BEI)

Δλ / λ = 0.7%

SR: 50 μm (camera-type detector), 200 μm (counting-type detector)

Furnace (RT-1273 K)

CSNSEMD[17] (ED)Δd / d = 0.25%

3D scanner

Tensile ring (100 kN, RT-1473 K, 50 Hz)

ERNI[18] (BEI)

Δλ / λ = 0.4%

SR: 15 μm (camera-type detector), 50 μm (counting-type detector)

Fatigue testing (10 kN, 10Hz)

High temperature loading frame (RT-1673 K, 60 kN)

Cryogenic loading frame (6-473 K, 50 kN)

CMRR

RSND[19] (ED)

Δd / d = 0.20%

Flux: 4.7 × 106 n·s-1·cm-2

Stress ring (15 kN)

Furnace (RT-773 K)

Temperature-tension-torsion instrument (173-727 K, 100 kN, 50 N·m)

Cryogenic loading frame (15 K-RT, 2.5 kN)

HETU[20] (ED)

Δd / d = 0.19%

Flux: 3.0 × 107 n·s-1·cm-2

Loading frame (15 kN)

Cyrostat (93 K-RT) and furnace (RT-1273 K)

Eulerian cradle

CARRRSD[21] (ED)

Δd / d = 0.2%

Flux: 2.7 × 107 n·s-1·cm-2

Furnace (RT-1100 K)
ESSD[21] (ED)

Δd / d = 0.2%

Flux: 4.0 × 107 n·s-1·cm-2

Loading frame (100 kN)

Cyrostat (77 K-RT) and furnace (RT-1300 K)

TNI[22] (Imaging)

Δλ / λ = 3%

SR: 50 μm (camera-type detector)

Flux: 1.0 × 109 n·s-1·cm-2

Polarization analysis system