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safe handling

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
...: “There are some products which, in the present state of human knowledge, are quite incapable of being made safe for their intended and ordinary use. … Such a product, properly prepared, and accompanied by proper directions and warnings, is not defective, nor is it unreasonably dangerous.” Definitions of Defects...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091727
EISBN: 978-1-62708-217-4
.... This acceptance test had been run 38 times on similar pressure vessels without problems. The methanol was a safe-fluid replacement for the storable hypergolic fuels (blend of 50% hydrazine and 50% unsymmetrical dimethyl hydrazine). Investigation (visual inspection and 65X images) showed similarities to stress...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001461
EISBN: 978-1-62708-224-2
... Abstract A hook, which was marked for a safe working load of 2 tons, failed while lifting a load of approximately 35 cwts. Fracture took place at the junction of the shank with the hook portion, at which no fillet radius existed. Except for an annular region round the periphery, which...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003515
EISBN: 978-1-62708-180-1
... to understand how safe and reliable that equipment or structure might be over this additional time of service. Common Measurement Techniques Many measurement techniques are employed in NDE. Those most widely used are visual, liquid penetrant, magnetic particle, eddy current, ultrasonic, and radiographic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0048068
EISBN: 978-1-62708-224-2
...-lb) load. The included angle between the two 13-mm ( 1 2 -in.) diam chains was 60°. The service life of the sling was 2 1 2 years. Investigation The safe load limit for each leg of the sling was 2630 kg (5800 lb). The hook broke at the junction of the eye and shank...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001668
EISBN: 978-1-62708-232-7
... of the failure investigation was to determine what caused the failure and whether over-torquing of the bolts contributed to the failure. It was necessary to know what action was required to be taken before tests could be safely continued. Procedure and Results The microstructure of failed bolts, unfailed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003516
EISBN: 978-1-62708-180-1
... Abstract This article discusses the fundamental variables involved in fatigue-life assessment, which describe the effects and interaction of material behavior, geometry, and stress history on the life of a component. It compares the safe-life approach with the damage-tolerance approach, which...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006802
EISBN: 978-1-62708-329-4
... Abstract Life assessment of structural components is used to avoid catastrophic failures and to maintain safe and reliable functioning of equipment. The failure investigator's input is essential for the meaningful life assessment of structural components. This article provides an overview...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001453
EISBN: 978-1-62708-224-2
... have been subjected to periodical annealing in accordance with Statutory requirements, which would have restored the ductility of the surface material. Chains Optical microscopy Wrought iron Brittle fracture While a chain sling having a safe working load of 30 cwts. was being used to lift...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001428
EISBN: 978-1-62708-224-2
... was submitted for assessment of its suitability for the intended purpose. The eyebolt, which was marked for a safe working load of 18 cwt. at 0°, consisted of a 5 8 in. standard eyebolt welded at the periphery to an intermediate collar piece, 1 1 2 in. diameter × 1 7 8...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006771
EISBN: 978-1-62708-295-2
... hands can lead to large areas of the sample becoming contaminated. Many assume that if sample handling is performed with gloved hands, the samples are safe from contamination. Unfortunately, the surfaces of many gloves are also laden with oils, salts, and/or lubricants that can be transferred...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006815
EISBN: 978-1-62708-329-4
..., and safe design. This phase is often called embodiment design or preliminary design. Systematic guidelines are available for the progressive development of a concept ( Ref 1 – 3 , 7 ) quite different in nature from those used in the detail design of individual components. These guidelines may be used...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003502
EISBN: 978-1-62708-180-1
... following conceptual design, the selected concept must be developed into a practical, reliable, and safe design. This phase is often called embodiment design , as there are systematic guidelines available for the progressive development of a concept ( Ref 1 , 4 , 5 ) quite different in nature from those...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003534
EISBN: 978-1-62708-180-1
... that if sample handling is performed with gloved hands, their samples are safe from contamination. Unfortunately, the surfaces of many gloves are also laden with oils, salts and/or lubricants that can be transferred to the sample during handling ( Ref 1 ). Even so-called clean-room gloves are not necessarily...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001474
EISBN: 978-1-62708-224-2
... Abstract A mild steel hook that was part of the auxiliary hoist of an electric overhead crane used in a foundry was of the shank type and the rated safe working load was 15 tons. Failure took place in a wholly brittle manner, and occurred transversely through the back of the hook. From...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001647
EISBN: 978-1-62708-235-8
...) complex is the stabilization, packaging, and storage of plutonium-bearing materials. The packaging is key to the safe long-term handling and storage of these materials. Packaging consists of placing the stabilized plutonium-bearing materials into a set of two nested stainless steel containers. The filled...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... handles were held in a rubber-lined clamp attached at one end of a rotating shaft. A torque spring was connected through a lever arm at the opposite end of the shaft. To wind up the spring and place the hammer in position to begin the blow, a ratiomotor drive rotated the shaft. A trigger mechanism...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... with respect to each other but also crystallographic differences. For example, 7000-series aluminum alloys are susceptible to SCC when solution treated and aged (T6 condition), yet the same alloy can be safely used when solution treated and overaged (T7 condition) ( Ref 8 , 9 ). (An aluminum alloy with a T6...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001451
EISBN: 978-1-62708-224-2
.... The hook is illustrated in Figure 1 and the leading dimensions are given in Figure 2 , which also indicates the positions from which the principal specimens were cut for examination. The hook was stamped “S.W.L. 15 tons.” Based on the data given in British Standard No. 482, the safe working load...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006804
EISBN: 978-1-62708-329-4
... Collection and Preparation Timing Explosion, fire, and heat damage assessments are usually done soon after the area is declared safe for access. Critical evidence can be shifted by the elements and by human activities such as cleaning up, so it is important to collect damage indicators, chemical...