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preheating

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Published: 01 October 2014
Fig. 3 Example of the preheating effect during heat treatment. Without preheating, showing large differences in temperature from surface to core; reduction in temperature delta when preheating is used More
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Published: 01 August 2013
Fig. 13 Effect of preheating on hardness gradient in a ring gear. See Table 8 for preheating procedure. More
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Published: 01 January 2005
Fig. 18 Tungsten-halogen-based infrared die preheater used in preheating forging dies More
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Published: 01 January 1993
Fig. 27 Effect of preheating on the hardness of 15 mm (0.6 in.) thick D-6ac low-alloy ultrahigh-strength steel More
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Published: 01 January 1993
Fig. 4 Proper method of preheating cast iron castings to prepare samples for welding. (a) Casting at room temperature. (b) Heat applied to perimeter of casting. (c) Vertical members of casting in tension. (d) Vertical members in compression ready to be welded More
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Published: 31 December 2017
Fig. 8 Illustration of hybrid friction stir processing with laser preheating. (a) Schematic. FSW, friction stir welding. (b) Actual. Source: Ref 17 More
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Published: 01 December 1998
Fig. 27 Preheating of castings. Specific part should be heated in such a manner that the weld is under compressive stress on cooling. See text for discussion. More
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Published: 31 August 2017
Fig. 4 Proper method of preheating cast iron castings to prepare samples for welding. (a) Casting at room temperature. (b) Heat applied to perimeter of casting. (c) Vertical members of casting in tension. (d) Vertical members in compression ready to be welded. Source: Ref 5 More
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Published: 01 January 1993
Fig. 12 Effect of preheat on HIC susceptibility. Preheat increases critical stress needed to cause HIC. LCS, lower critical stress More
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Published: 01 January 1993
Fig. 13 Effect of carbon equivalent on preheat requirements. Amount of preheat needed to prevent HIC is proportional to the carbon equivalent of the steel being welded More
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005645
EISBN: 978-1-62708-174-0
... Abstract This article is a compilation of tables that provide information on preheat and interpass temperatures and the postweld heat treatment for selected carbon steels, as well as steel pressure vessels and pipe welds. Information is also provided for preheat and interpass temperatures...
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Published: 01 December 2008
Fig. 10 The major components of a dryer used to preheat induction furnace charge material. Integrated scrap preheat process combines (1) weigh hoppers, (2) preheat hood, (3) material transfer mechanism, and (4 and 5) furnace-charging apparatus into a single automated process. More
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Published: 01 December 2008
Fig. 4 Preheat hearth More
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Published: 01 January 2005
Fig. 32 Predicted temperature profiles for beryllium strip preheated to 760 °C (1400 °F). Source: Ref 76 , 68 More
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