ChemInform Abstract: SOLID STATE TRANSFORMATIONS DURING COOLING IN THE NICKEL‐RICH PORTION OF THE NICKEL‐SILICON SYSTEM

Lebaili, S.; Hamar‐Thibault, S.

doi:10.1002/chin.198501022

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Precipitations In the Ni (α) Solid Solution1

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2010

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“…1b. Similar observations have been reported in the nickel-rich Ni-Si binary alloys [19]. Detailed microstructural observations showed that these precipitates exhibited two characteristic morphologies (cuboids and spheroids) coherent with the Ni (α) matrix as depicted in the micrograph of Fig.…”

Section: Precipitations In the Ni (α) Solid Solutionsupporting

confidence: 86%

Scanning Electron Microscopy of Some Slowly Cooled Nickel-Based Hardfacing Alloys Containing Iron Additions

Ajao¹

2010

JMMCE

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The service lifespan of components used at higher temperatures in corrosive and abrasive environments can be prolonged by high-temperature corrosion-resistant coatings. This study is concerned with the microstructural characterization of some slowly cooled Nickel-based hardfacing alloys investigated by differential thermal analysis (DTA), energy dispersive X-ray analysis (EDXA), X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The alloys were prepared in high frequency induction furnace under controlled atmosphere. Three major primary hard phases (Ni (α), M 7 C 3 , and the π phase) were identified during slow cooling in DTA depending on the nominal compositions of the alloys. Large undercoolings as well as intense solid state precipitations were observed in alloys with iron additions. The precipitations formed the basis of the high hardness values and strength of the alloys. It was also reported that the hardness values of the alloys increased as the iron contents increased.

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Section: Precipitations In the Ni (α) Solid Solutionsupporting

confidence: 86%

Scanning Electron Microscopy of Some Slowly Cooled Nickel-Based Hardfacing Alloys Containing Iron Additions

Ajao¹

2010

JMMCE

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ChemInform Abstract: SOLID STATE TRANSFORMATIONS DURING COOLING IN THE NICKEL‐RICH PORTION OF THE NICKEL‐SILICON SYSTEM

Abstract: DTA‐, XRD‐, SEM‐ und TEM‐Untersuchungen an Legierungen mit 10‐35 Atom‐% Si zeigten, daß rasche Abkühlung zur Bildung von γ‐Ni5Si2 führt, das metastabil ist und bei hohen Temp. nur langsam zerfällt.

Cited by 1 publication

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Scanning Electron Microscopy of Some Slowly Cooled Nickel-Based Hardfacing Alloys Containing Iron Additions

Scanning Electron Microscopy of Some Slowly Cooled Nickel-Based Hardfacing Alloys Containing Iron Additions

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