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Thermocouples

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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001326
EISBN: 978-1-62708-215-0
... components Pinhole Thermocouples 316L UNS S31603 (Other, general, or unspecified) corrosion Reference 1. Kiessling R. and Lange N. , Nonmetallic Inclusions in Steels, Part II , The Metals Society , London , 1978 , p 82 – 84 Selected Reference • Forms...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001363
EISBN: 978-1-62708-215-0
... precipitated by excessive heating, causing cage disintegration, plastic flow of the races and balls, and eventual separation of inner and outer races. It was recommended that the bearing set be resized to accommodate the large thrust as and that a thermocouple be added to monitor the condition of the bearing...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001340
EISBN: 978-1-62708-215-0
... of overheating and thermal fatigue. It was recommended that recent alterations to the steam-drum baffling be remodified to improve circulation in the boiler and prevent further overheating. Several thermocouples were attached to tubes in problem areas of the boiler to monitor the effects of the steam...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001632
EISBN: 978-1-62708-234-1
... temperature cycles calculated to be from 400 to 30 deg C (752 to 86 deg F). The window was activated to >200 Sv/h. It was determined through analysis using remote handling techniques and hot cells that the crack initiated near a spot weld used to affix thermocouples to the window surface. In addition to...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001126
EISBN: 978-1-62708-214-3
... were composed of nickel sulfide. Thermal stresses were considered as a possible cause of glass breakage. An original glass panel was instrumented with thermocouples to determine the variation in temperature across and through the glass face. The selected panel was located on a building face where...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048361
EISBN: 978-1-62708-234-1
... that failed by low-cycle thermal fatigue. Top: original design. Inset shows the locations of thermocouples used in analyzing thermal gradients and the typical temperatures at each thermocouple location. Bottom: the analysis resulted in an improved design. Dimensions given in inches...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001274
EISBN: 978-1-62708-215-0
... experiment was repeated four times for each of the three ovens. All test results were within experimental accuracy. To measure and verify the cooking temperatures of microwaveable dinners, sheathed-thermocouple meat thermometers were used at various stages in the cooking process. The thermocouples were put...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001599
EISBN: 978-1-62708-236-5
... sheathed dip thermocouple. A melt pool temperature in excess of 1500 °C was measured prior to the thermocouple failure. Upon disassembly of the melter, severe degradation of the refractory and electrodes was observed. Further examination revealed that the 690 sheath surrounding the molybdenum electrodes...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001106
EISBN: 978-1-62708-214-3
.... The tubes were made by bending sheet and welding the seams. Furnace temperatures range from 900 to 700 °C (1650 to 1290 °F), with the metal being cast at 710 °C (1310 °F). Some scrap remelting and fluxing operations are also carried out. The heaters are linked to thermocouples placed in the molten...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001609
EISBN: 978-1-62708-229-7
... monitoring and control was by direct attachment of thermocouples and multiple channel controllers and chart recorders. The extra heat sink caused by the tube fins and the internal venting of heat due to chimney effects increased the difficulty of performing PWHT. The fins increased the weight of the 50 mm (2...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001149
EISBN: 978-1-62708-232-7
... the thermocouples in the upper section of the duct was 205°C (400°F). With the insulation on, the furnace had been operated at gradually increasing power levels until keeper damage and additional holddown bolt failures were noted in early April. By April 1, the recorded upper section duct wall...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001814
EISBN: 978-1-62708-241-9
... time of the incident. The quench chamber temperature was measured by one thermocouple, located in the upper part of the chamber outside the draft tube. The syngas temperature exiting the combustion chamber is too high for long-term service of the metal dip tube without cooling. Therefore, the inner...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001598
EISBN: 978-1-62708-232-7
... the CIM showing location of thermocouples and hole in drain tube The CIM was in service from November 1998 until June 1999. During that time the melter was cycled 134 times with 124 of the cycles at or above 1400 °C and 10 cycles at 1000 °C. Total operating time at maximum temperature was...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001821
EISBN: 978-1-62708-241-9
... does not seem very viable. In addition, tests on propane tanks instrumented with thermocouples have shown that the general upper limit for temperatures at which BLEVEs occur is on the order of 700 °C. [ 10 ] The observations by Birk et al. and the results in the present study indicate that BLEVEs occur...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
...; drip feed of lubricant; vibration detection system; thermocouples monitor temperature (typically 50 to 60 °C, or 120 to 140 °F) Ref 26 (c) Rolling-contact testing apparatus Two hemispherically ground, toroidal rollers loaded against a round bar; 40:1 ratio of roller diameter to bar diameter...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
... pans rest on thermoelectric disc platforms, with thermocouples used to measure the differential heat flow ( Ref 5 ). Specimen size typically ranges between 1 and 10 mg, although this can vary depending on the nature of the sample and the experiment. The normal operating temperature range for DSC...