1-20 of 39 Search Results for

alligatoring

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006039
EISBN: 978-1-62708-172-6
... epoxies. It reviews the similarities between asphaltic and coal tar coatings and discusses the health and environmental concerns of these materials. alligatoring asphalt coal tar epoxy resins health and safety polymeric coating BITUMEN IS A GENERIC NAME applied to complex mixtures of...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
... nails. alligatoring austenitic stainless steel crack nucleation crack propagation fatigue fracture fractograph hydrogen embrittlement intergranular corrosion intergranular fracture iron-aluminum alloys orthopedic implants strain rate stress-corrosion cracking Fig. 611 Surface...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005178
EISBN: 978-1-62708-186-3
... sheet, iron workers leave a square butt edge that may require further preparation for heavier sections. These machines include alligator and guillotine shears and multipurpose (combination) machines. The multipurpose machines feature interchangeable punches and dies for shearing, punching, and coping...
Book Chapter

Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001380
EISBN: 978-1-62708-173-3
... light passes can cause the weld to open up or “alligator.” Therefore, the reduction for subsequent passes is generally a compromise between applying excessive separating forces and “alligatoring.” In pack roll welding, the parts to be welded are completely enclosed in a pack that is sealed (typically...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003179
EISBN: 978-1-62708-199-3
... diameter or thickness; rectangular bars and billets up to 75 by 305 mm (3 by 12 in.) in cross section; and angles up to 200 by 200 by 40 mm (8 by 8 by 1 1 2 in.). The heavy-duty machines used to shear bars are commonly referred to as “iron workers.” These machines include alligator shears and...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006484
EISBN: 978-1-62708-207-5
... generator. As mentioned earlier, the sources of old scrap can be divided into the main use sectors of aluminum: transportation, buildings, packaging, wire and cable, and other. Most of the shears in operation are either alligator or guillotine shears. Alligator shears are so named because...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005102
EISBN: 978-1-62708-186-3
... m, or 5 ft). Activation of air cylinders makes the shear blade beam move to make a cut. Shop compressed air or a freestanding air compressor is used to provide power to air cylinders. Alligator shears have a shearing action similar to that of a pair of scissors. The lower knife is stationary, and...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005620
EISBN: 978-1-62708-174-0
... nonuniform stress distribution that builds up during a sequence of very light passes can cause the weld to open up or “alligator.” Therefore, the reduction for subsequent passes is generally a compromise between applying excessive separating forces and “alligatoring.” In pack roll welding, the parts to be...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004156
EISBN: 978-1-62708-184-9
... where high heat flux is encountered. On these tube wall surfaces, a thick scale is produced that often displays circumferential grooving resembling an alligator hide, as illustrated in Fig. 1 . The appearance of these grooves is a result of pointed cracks filled with a mixture of iron oxide and iron...
Book Chapter

Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006338
EISBN: 978-1-62708-179-5
... irregularities D 110: Fold markings on the skin of the casting D 111 Fold markings over rather large areas of the casting Surface folds, gas runs D 134 Casting surface entirely pitted or pock-marked Orange peel, metal mold reaction, alligator skin D 135 Grooves and roughness in the...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... tail D 133 Irregularly distributed depressions of various dimensions extending over the casting surface, usually along the path of metal flow (cast steel) Flow marks, crow's feet D 134 Casting surface entirely pitted or pock-marked Orange peel, metal mold reaction, alligator skin...
Book Chapter

By John C. Bittence
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003222
EISBN: 978-1-62708-199-3
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003180
EISBN: 978-1-62708-199-3
.... The critical amount of cold work varies with the alloy and with the annealing temperature, but is usually 8 to 10%. Reheating metal that is only slightly cold worked can result in abnormal grain growth, which can cause orange peel or alligator hide effects in subsequent forming. Severely cold...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006008
EISBN: 978-1-62708-172-6
... prepared. Use the correct coating specification and follow the advised overcoating times. Fig. 3 Very large (macro) crazing/cracking that resembles the skin of an alligator or crocodile. Cracks may penetrate through to the undercoat or down to the substrate. Probable causes: Internal stresses...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003258
EISBN: 978-1-62708-176-4
... metal at various temperatures. One of the most important primary metalworking processes (performed either hot or cold), rolling involves several parameters. Control of these parameters is essential to avoiding defects such as alligatoring, edge cracking, and surface damage ( Ref 1 , 2 , 3 , 4 , 6...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001053
EISBN: 978-1-62708-161-0
... a cutter head past a stationary anvil to cut the scrap. Two types of shears are used, alligator and guillotine shears. The alligator shears operate like large scissors with the lower edge fixed. Guillotine shears use hydraulic pressure to force the cutter head down past the anvil. Although cutting...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003692
EISBN: 978-1-62708-182-5
... 40 °C (100 °F) or less. Hardens and embrittles in cold weather. Black color only; will alligator and crack on prolonged sunlight exposure, although still protective Used as moisture-resistant coatings in immersion and underground service. Widely used as pipeline exterior and interior coatings below...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004009
EISBN: 978-1-62708-185-6
... splitting, and alligatoring have their origins in the nonhomogeneous deformation accompanying lateral spread ( Ref 23 ). Estimation of lateral spread in rolling has been the subject of considerable investigation over the past several decades. The three-dimensional (3–D) metal flow that occurs in plate...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006051
EISBN: 978-1-62708-172-6
... cross linked with another resin, is thermoplastic and will flow at temperatures of 40 °C (100 °F) or less. Hardens and embrittles in cold weather. Black color only; will alligator and crack on prolonged sunlight exposure, although still protective Used as moisture-resistant coatings in immersion and...