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Titlebook: Magnetic Particle Inspection; A practical guide David Lovejoy Book 1993 David Lovejoy 1993 environment.history.material.nondestructive test

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發(fā)表于 2025-3-21 17:20:22 | 只看該作者 |倒序瀏覽 |閱讀模式
書目名稱Magnetic Particle Inspection
副標(biāo)題A practical guide
編輯David Lovejoy
視頻videohttp://file.papertrans.cn/622/621268/621268.mp4
圖書封面Titlebook: Magnetic Particle Inspection; A practical guide David Lovejoy Book 1993 David Lovejoy 1993 environment.history.material.nondestructive test
描述During the years since this book was first published in 1993 there have very few developments in the technology of magnetic particle inspection apart from improvements in instrumentation which has made the measurement of peak values of time varying currents practicable. The major changes have arisen from health and safety and environmental concerns. These involve chemicals and exposure of personnel to air-borne electromagnetic fields and long wave ultraviolet (UY.A). The changes in the acceptability of certain volatile halogenated hydrocar- bons which led to the banning of 1, 1, 1 thichloroethane in 1995 were evident in 1993. The present discussions concerning the emissions of volatile organic compounds (VOCs) in general was also current and has now reached a stage where the effects of these deliberations will become evident over the next few years. Concerns over the exposure of personnel to airborne electromagnetic fields has been current for some years as has discussions to the effects of long wave ultraviolet (UY.A) on human skin. Recommendations as to maximum permit- ted exposures over periods of time to both of these phenomena have been put forward and will doubtless form the
出版日期Book 1993
關(guān)鍵詞environment; history; material; nondestructive testing; quality
版次1
doihttps://doi.org/10.1007/978-94-011-1536-0
isbn_softcover978-0-412-44750-1
isbn_ebook978-94-011-1536-0
copyrightDavid Lovejoy 1993
The information of publication is updating

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沙發(fā)
發(fā)表于 2025-3-21 21:14:40 | 只看該作者
Book 1993from improvements in instrumentation which has made the measurement of peak values of time varying currents practicable. The major changes have arisen from health and safety and environmental concerns. These involve chemicals and exposure of personnel to air-borne electromagnetic fields and long wav
板凳
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地板
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Basic electromagnetic field theory, which are not widely understood. It must be remembered that while this mathematician’s playground produces a large number of vital results describing fields in their general form, parts of the field and even specific points in the field, the equations and calculations are mathematical expressions of physical effects.
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The history and basis of the magnetic particle testing method,oke discovered that they coincided with patterns of defects in the surface. In the following 20 years, the foundations of the magnetic particle inspection method of non-destructive testing were laid down. Many people on both sides of the Atlantic Ocean contributed to these firm foundations on which the modern application of the method is built.
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發(fā)表于 2025-3-22 20:42:00 | 只看該作者
Equipment for magnetic particle inspection,ng components which are unusually large or which present special problems for magnetization, and throughput is not a serious problem. Standard types of equipment are discussed in section 10.2 and special equipment in section 10.3. There is too a need for special options and accessories in many applications and these are dealt with in section 10.4.
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