The Clifton Lunacy Case: Mason V. Marshall and Shaw.

Marshall, Henry Rutgers; Shaw, Jeff

doi:10.1016/s0140-6736(01)92443-2

Cited by 2 publications

(4 citation statements)

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“…The earliest dynamometer used for the measurement of grinding forces was probably the one used by Marshall and Shaw (1952a). The earliest dynamometer used for the measurement of grinding forces was probably the one used by Marshall and Shaw (1952a).…”

Section: Wheel Wear and Grinding Forcesmentioning

confidence: 99%

“…Marshall and Shaw (1952a) suggested that a higher grinding coefficient produced a more efficient grinding process. The mechanisms that proceeds from the second phase assumes that grits adopt stable geometries and shapes, which are harder to fracture, and from then on, the number of fractures decreases and grits become dull.…”

Section: Wheel Wear and Grinding Forcesmentioning

confidence: 99%

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A historical review of wear mechanisms and the structure of vitrified micro grinding wheels

Jackson

2009

IJNM

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This paper presents a historical review of the wear and the structure of vitrified grinding wheels. This review describes the tribological issues surrounding use of vitrified grinding wheels and is discussed in three ways. The first explains the relationship between grinding wheel wear and wheel performance and discusses the interactions between abrasive grain and workpiece material and how it relates to grinding wheel performance; the second investigates the issues surrounding the composition of the vitrified bonding system and how it affects wheel wear, whilst the third explores the effect of reactions in vitrified bonds during thermal treatment of the grinding wheel that affect the performance of vitrified grinding wheels during subsequent processing of common engineering materials. The paper provides a timely review of the microstructural aspects of vitrified grinding wheels.Reference to this paper should be made as follows: Jackson, M.J. (2009) 'A historical review of wear mechanisms and the structure of vitrified micro grinding wheels', Int.

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Section: Wheel Wear and Grinding Forcesmentioning

confidence: 99%

Section: Wheel Wear and Grinding Forcesmentioning

confidence: 99%

A historical review of wear mechanisms and the structure of vitrified micro grinding wheels

Jackson

2009

IJNM

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“…However, it has been demonstrated by Marshall, Shaw and Mason (1971) that the original thermoluminescence sensitivity of LiF, which has received no more than a few tens of rads of accumulated dose in its lifetime, may be faithfully regenerated by holding the dosemeter at an elevated temperature (300 "c) for a few seconds during the read cycle and then cooling to ambient temperature in the required reproducible manner.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, the fading problem may be eliminated (Marshall et al 1971) by introducing a hold into the heating cycle during read-out for about 10 S a t 130 'c. This results in the removal of the low temperature glow peaks.…”

Section: Introductionmentioning

confidence: 99%

Cooling rate effects in thermoluminescence dosimetry grade lithium fluoride. Implications for practical dosimetry

Mason¹,

McKinlay²,

Clark³

1976

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A systematic investigation of the effects of cooling rates in the range of 10(-1) to 2 X 10(5) degrees C min-1 applied to TLD-700, LiF thermoluminescence dosemeters has shown that the 'transfer sensitivity' effect observed by Booth, Johnson and Attix (1972) is only of importance for cooling rates greater than 10(3) degrees C min-1. Although it is concluded that for practical dosimetry purposes the effect may be ignored it is not clear why Booth et al. observed such large changes and until this discrepancy is explained it is recommended that a low temperature pre-irradiation anneal should be used.

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The Clifton Lunacy Case: Mason V. Marshall and Shaw.

Cited by 2 publications

References 0 publications

A historical review of wear mechanisms and the structure of vitrified micro grinding wheels

A historical review of wear mechanisms and the structure of vitrified micro grinding wheels

Cooling rate effects in thermoluminescence dosimetry grade lithium fluoride. Implications for practical dosimetry

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