Comparison of Solute Nanoclusters in Fe–Cr–N Tempered Martensite Observed by Different Atom Probe Instruments
Source abstract
Abstract
Abstract The solute clustering behaviors in Fe-1.0mass%Cr-0.3mass%N tempered martensite were comparatively studied by using three atom probe instruments, i.e. LEAP 4000 HR, 5000 XR, and 5000 XS. The microstructural features of nanoclusters were measured under the same conditions in voltage pulse mode, while statistical analysis including nearest neighbor distribution, radial distribution, frequency distribution, and cluster size distribution of Cr atoms were performed on the reconstructed datasets. The results revealed the superior capability of the LEAP 5000 XR to detect Cr nanoclusters in tempered martensite compared with the LEAP 4000 HR as a result of the improvement in detection efficiency and hit detection performance, whereas the high level of background in the mass-to-charge spectrum measured by the LEAP 5000 XS in voltage pulse mode limits its application in the detection of solute nanoclusters.
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Research context
OpenAlex topics: Advanced Materials Characterization Techniques · Metal Extraction and Bioleaching · Hydrogen embrittlement and corrosion behaviors in metals
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute for Materials Research, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577 , Japan
Department of Metallurgy, Graduate School of Engineering, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577 , Japan
CAMECA Instruments Inc. , 5470 Nobel Dr, Fitchburg, WI 53711, US
Research Center for Structural Materials, National Institute for Materials Science , 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047 , Japan
Research Center for Magnetic and Spintronic Materials, National Institute for Materials Science , 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047 , Japan
Graduate School of Pure and Applied Sciences, University of Tsukuba , 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8577 , Japan
Funding
JSPS · ISIJ · NIMS
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