In situ stress measurements during low-energy nitriding of stainless steel

Sienz, S.; Mändl, S.; Rauschenbach, B.

doi:10.1016/s0257-8972(02)00081-6

Cited by 62 publications

(29 citation statements)

References 26 publications

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“…The extended nitrocarburizing time has a tendency to decrease compressive residual stresses at or near the surface, and this phenomenon can be explained by the formation of further precipitation in the developed layer causing relaxation of the stresses. [35] Three distinctive layers are revealed in the carbonitrided sample CN1 as depicted in the micrograph of Fig. 6.…”

Section: Microstructures and Mechanisms Of Elemental Diffusionmentioning

confidence: 95%

Surface characteristics analysis of nitrocarburized (Tenifer) and carbonitrided industrial steel AISI 02 types

Fares

Touhami

Belaid

et al. 2008

Surface & Interface Analysis

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Generally, tool steels for cold work are obtained by rolling and forging processes. They are treated to have a structure conferring to the material a high toughness limit in terms of wear resistance and endurance. The objective of this study is the thermochemical heat treatment of industrial steel blades made of AISI 02 types, intended for polymer crushing. The effects of nitrocarburizing (Tenifer) and gaseous carbonitriding processes on surface characteristics are considered. These surface treatments increase the usefulness of properties, that is, fatigue strength, wear and corrosion resistance of this microalloyed steel. The influence of treatment duration and the thickness of the layers on surface properties are investigated. The analysis and characterization are carried out using physical analysis [optical microscopy, scanning electron microscopy, X-ray diffraction and glow discharge optical emission spectroscopy (GDOES) techniques] and mechanical measurements (microhardness, weight loss and residual stresses) of treated material. The results are intended to contribute in defining and optimizing the adequate choice of treatments for this type of steel in industrial conditions.

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Section: Microstructures and Mechanisms Of Elemental Diffusionmentioning

confidence: 95%

Surface characteristics analysis of nitrocarburized (Tenifer) and carbonitrided industrial steel AISI 02 types

Fares

Touhami

Belaid

et al. 2008

Surface & Interface Analysis

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“…a different expansion for different grain directions, with the largest expansion always observed for the (2 0 0) planes for f.c.c. lattices [22]. In this study, the anisotropic behaivour of PIII treated samples was not studied.…”

Section: Xrd-examinationmentioning

confidence: 96%

Characterization of surface mechanical properties of H13 steel implanted by plasma immersion ion implantation

Saklakoğlu

2007

Journal of Materials Processing Technology

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“…Especially for diffusion and phase formation processes, where a strong dependency on process temperature and incident ion dose exists, the only possibility for time resolved characterisations with a sampling rate of dozens of data points each hour are in situ investigations. 9,10 Nevertheless, using ex situ measurements the time evolution of certain parameters can be obtained by several, successive measurements at different steps of the process for one sample or on different individual samples, treated at nominally identical process parameters but different process a) Author to whom correspondence should be addressed. Electronic mail:…”

Section: Introductionmentioning

confidence: 99%

Integration of a broad beam ion source with a high-temperature x-ray diffraction vacuum chamber

Manova

Bergmann

Mändl

et al. 2012

Review of Scientific Instruments

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Here, the integration of a low energy, linearly variable ion beam current density, mechanically in situ adjustable broad beam ion source with a high-temperature x-ray diffraction (XRD) vacuum chamber is reported. This allows in situ XRD investigation of phase formation and evolution processes induced by low energy ion implantation. Special care has been taken to an independent adjustment of the ion beam for geometrical directing towards the substrate, a 15 mm small ion source exit aperture to avoid a secondary sputter process of the chamber walls, linearly variable ion current density by using a pulse length modulation (PLM) for the accelerating voltages without changing the ion beam density profile, nearly homogeneous ion beam distribution over the x-ray footprint, together with easily replaceable Kapton(®) windows for x-rays entry and exit. By combining a position sensitive x-ray detector with this PLM-modulated ion beam, a fast and efficient time resolved investigation of low energy implantation processes is obtained in a compact experimental setup.

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In situ stress measurements during low-energy nitriding of stainless steel

Cited by 62 publications

References 26 publications

Surface characteristics analysis of nitrocarburized (Tenifer) and carbonitrided industrial steel AISI 02 types

Surface characteristics analysis of nitrocarburized (Tenifer) and carbonitrided industrial steel AISI 02 types

Characterization of surface mechanical properties of H13 steel implanted by plasma immersion ion implantation

Integration of a broad beam ion source with a high-temperature x-ray diffraction vacuum chamber

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