Carbon fibers coated with chromium carbide using the liquid metal transfer agent technique

Himbeault, D. D.; Varin, R.A.; Piekarski, K.

doi:10.1007/bf02647503

Cited by 11 publications

(11 citation statements)

References 9 publications

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“…[6] where the wetting of a carbon substrate by Cu-Cr alloy is associated with the formation of a carbide layer of significant thickness. In a previous study by the present authors [8], chromium carbide layers formed on carbon fibres by the LMTA technique also exhibited a spontaneous carbide formation on wetting. In the latter and the present studies, the thickness of the coating formed on wetting was found to be a function of temperature.…”

Section: Fibre Coatingmentioning

confidence: 57%

“…Also shown in Fig. 5 is the growth constant for chromium carbide formation from reference [8]. The growth rate of titanium carbide is lower than that of chromium carbide for the same temperature.…”

Section: Fibre Coatingmentioning

confidence: 77%

“…6. These results are compared with the results of chromium carbide coated fibres coated by the LMTA technique of reference [8]. The fibre strength in both cases is seen to decrease with increasing coating thickness.…”

Section: Fibre Strengthmentioning

confidence: 82%

“…should be used, where x0 is the carbide layer which spontaneously forms on wetting of the alloy with the Figure 1 Cross-section of carbide coated fibres after immersion for 3 min in Sn-1% Ti alloy at 1055 ° C. 1/7"×t0 3 (K -11 Figure 5 Growth rate constants, A, for the titanium carbide (,) layer growth from Sn-l%Ti alloy as a function of temperature compared with growth rate constants for chromium carbide (0) formation from reference [8].…”

Section: Fibre Coatingmentioning

confidence: 98%

“…This method has already been used by several experimenters to obtain smooth and uniform carbide coatings on carbon fibres [2][3][4][5][6]. Recently, the present authors have applied tungsten carbide coatings to carbon fibres using liquid copper as a transfer agent [7] and chromium carbide coatings using liquid tin as a transfer agent [8].…”

Section: Introductionmentioning

confidence: 94%

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Carbon fibres coated with titanium carbide using the liquid metal transfer agent technique

1989

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Protective coatings of titanium carbide were applied to PAN type carbon fibres by a liquid metal transfer agent (LMTA) technique using tin as a transfer agent. The effect of the coating on the strength of the fibres was evaluated by performing single fibre tensile tests. The coatings were examined metallographically, by X-ray diffractometry, and by scanning electron microscopy. Carbide coating thicknesses obtained ranged from approximately 0.05 to 0.5#m and the coatings were found to be uniform and adherent to the fibres. It was found that wetting of the fibres by the tin alloy is associated with the spontaneous formation of a carbide layer with a thickness dependent upon the melt temperature, after which the carbide layer was found to grow parabolically with time and with an apparent activation energy of 187kj mo1-1. The strength of the carbon fibres decreased with increasing coating thickness according to a Griffith relation.

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Section: Fibre Coatingmentioning

confidence: 57%

Section: Fibre Coatingmentioning

confidence: 77%

Section: Fibre Strengthmentioning

confidence: 82%

Section: Fibre Coatingmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 94%

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Carbon fibres coated with titanium carbide using the liquid metal transfer agent technique

1989

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Advances in Molten Salt Synthesis of Non‐oxide Materials

Song

Che

et al. 2022

Energy & Environ Materials

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The properties of non‐oxide materials are continuously revealed, and their applications in the fields of ceramics, energy, and catalysis are increasingly extensive. Regardless of the traditional binary materials or the MAX phases, the preparation methods, which are environmentally friendly, efficient, economical, and easy to scale‐up, have always been the focus of attention. Molten salt synthesis has demonstrated unparalleled advantages in achieving non‐oxide materials. In addition, with the development of the process in molten salt synthesis, it also shows great potential in scale‐up production. In this review, the recent progress of molten salt synthesis in the preparation of binary non‐oxide and MAX phase is reviewed, as well as some novel processes. The reaction mechanisms and the influence of synthetic conditions for certain materials are discussed in detail. The paper is finalized with the discussion of the application prospect and future research trends of molten salt synthesis in non‐oxide materials.

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Multiple cracking of a coating layer and its influence on fibre strength

Ochiai

Hojo

1995

JOURNAL OF MATERIALS SCIENCE

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Carbon fibers coated with chromium carbide using the liquid metal transfer agent technique

Cited by 11 publications

References 9 publications

Carbon fibres coated with titanium carbide using the liquid metal transfer agent technique

Carbon fibres coated with titanium carbide using the liquid metal transfer agent technique

Advances in Molten Salt Synthesis of Non‐oxide Materials

Multiple cracking of a coating layer and its influence on fibre strength

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