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Metal factor (MF)/es

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Proceedings Papers

Paper presented at the CORROSION 2005, April 3–7, 2005
Paper Number: NACE-05346
... is analyzed as relating to the metal. It seems that there is a threshold value of 5-10 mg/L sulfide above which interfacial capacitance increases dramatically to maximum 40 mF/cm2. This correlates with SEM examinations (Figure 1) of porous film formation. LPR measurements show linear response and good...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-085
... the corresponding values of the product of the load and material partial safety factors mf . Table 5. Required FDF and corresponding partial safety factors mf in ( ) for given FATmin ( FATFP max ). indicates that FDF 1. ( )FATCOLP 3,1 (10-3) 3,5 (2 10-4) 3,8 (10-4) 1.0 2.40 (1.34) 3.38 (1.50) 4.32 (1.63...
Proceedings Papers

Paper presented at the SPE International Thermal Operations and Heavy Oil Symposium and Western Regional Meeting, March 16–18, 2004
Paper Number: SPE-86948-MS
... into wastewater disposal wells. Should limited disposal capacity require disposal into nearby waterways or watersheds, the produced water must be further treated to remove salinity, boron, dissolved organics, and certain heavy metals. This report describes how current chemical precipitation and advance membrane...
Proceedings Papers

Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-4396
... 3 Overall analysis for the best anodized systems (see Table 1 and text for details) Anodizing system CoE ES T E EI MF R CR Total Score Rating LPR APP EIS Commercial 1 1 1 3 1 3 5 1 3 1 20 MSPBO 4 5 5 5 1 3 4 1 4 5 37 MOC1 5 3 1 3 3 2 5 3 4 2 31 MOC2 5 4 5 5 3 2 5 5 5 4 43 MBOC 5 3 1 3 3 2 5 2 4 2 30...
Proceedings Papers

Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-076
... ff tM ni gdfetftMi e ,Un versityj n ,B j ng,C ABSTRACT W hthecr asetloph ghp p tm heco d ct onb w es ltyndstr ppi gqu omp ogress v lyr u Acc rdo al isc ul - hegipGI c va Aftere gg l v s i ·rockech n cat st hreep z iw rp d FLACtDn m lsimul onoftwaress yzps ab bve ldex ssucsd metz d o eyf cerb...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 10–12, 1975
Paper Number: PETSOC-75-08
... This restriction was imposed because of the sensitivity of the polymer solutions to any metallic contamination. The IIpower law mode (II with its constitutive equations and the resistance factor concept Formed the basis for the quantitative description of the experimental resul ts_ The polymers used...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-0289
... the inhomogeneous formation, metallic mandrel and receiver coils, are modeled using irregular meshes and the VSWIE is used to formulate the problem. The method of moments (MoM) is applied to solve the integral equation and the pFFT method, a fast algorithm specifically developed for irregular-mesh based integral...
Proceedings Papers

Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-4180
...-induced corrosion regime to an erosion-corrosion regime signifying that impact intensity on the material is a key factor in material degradation of X65 carbon steel in CO2 erosion-corrosion environment. From the previous paragraphs, it is evident that both sand impacts and metal dissolution contribute...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-558
... a foundation pit in Dalian. In order to keep with the soil properties in South China Sea (Zheng and Chen et al., 2004), the sample seabed preparation process contained five steps, as shown in Fig. 4. Firstly, a metal flume with drainage valves (2mm diameter) on the bottom was manufactured. Secondly, cover...
Proceedings Papers

Paper presented at the The Fifth International Offshore and Polar Engineering Conference, June 11–16, 1995
Paper Number: ISOPE-I-95-314
...; approximation used for the Folias factor; parabolic representation of the metal loss; and variability in corrosion depth along the pipe axis. 3. STOCHASTIC MODEL FOR RESIDUAL STRENGTH ASSESSMENT From the brief discussion of available deterministic models for residual strength of corroded pipelines given...
Proceedings Papers

Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1268
... deposition, and other factors which may influence corrosion distribution within LP-ICDA region. In this stage, the cumulative metal loss was estimated based on the predicted uniform corrosion rates with a uniform pitting factor at different operating intervals. 4 The NACE International Standard Practice does...
Journal Articles
Int. J. Offshore Polar Eng. 7 (01).
Paper Number: ISOPE-97-07-1-044
Published: 01 March 1997
... that decarburization influences the self-orgamzatIon of the ~lsslpatIve str~ctu~es in the near wire surface layers. The resulting homogenization of the defect structures and decrease III defect 10ca!l~atIon improve the mechanical properties of the specimens. For exampl~, i~is possible !o increase th~ toughness...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-496
... No. 7396.01/99/1030.03, December, 1999. Ashby, MF, and Easterling, KE (1982). A First Report on Diagrams of Microstructure and Hardness for Grain Growth in Welds, Acta Metall., Vol 30, No 11, pp 1969-1978. Henwood, C, Bibby, M, Goldalk, J, and Watt, D (1988). Coupled Transient Heat Transfer-Microstructure...
Proceedings Papers

Paper presented at the 4th North American Rock Mechanics Symposium, July 31–August 3, 2000
Paper Number: ARMA-2000-1295
... properti- es must first be determined for the relevant geologi- cal and environmental conditions, including the ef- fects of preexisting fractures. 2 MEASUREMENT OF ROCK FRACTURE TOUGHNESS Early fracture toughness measurements of rock ma- terials were largely based on ASTM E399 (Schmidt 1976), which covers...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2000
Paper Number: OTC-12187-MS
... for the metal at the assessment location a defect size E elasticity modulus n Poisson modulus in the elastic range Procedure The primary stress is )( gPP Ff es = The primary stress intensity factor is aK p I P ps= For design cases involving gross yielding, the secondary stress is 0=ss The reference strain...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 3–6, 2010
Paper Number: OTC-20816-MS
... + kD ei p kD d kD d pF pp TF T MF M (3) p is an empirical factor to account for wall thinning, expressed as a function of nominal pipe diameter and wall thickness DM is the design moment (i.e. the weighted sum of functional, environmental and accidental loads) kM is the plastic moment capacity...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11627
... .2,6 However, cases the f and depth o (i.e. the ha dent s apex t by Bourne ethod is use he radius of circumferen ossible, the s to help ens always be us tion of the R ation (1) is b erred to as t lacement of esented in Fi specific and n determinin ecommended er grades.15 A es of steel, was used...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-662
... and Wooley, 1989; Gao, Jin, and Zhang, 2005). The basic principle that premium connections can maintain gas tightness is interference fit of metal to metal (Hilbert, Exponent, and Bergstrom, 2008; Van-Dort, 2009). At present, there is no specific product quality specification for tubing and casing...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-590
... of microstructure and microhardness distribution. By simplifying the girth welds with mechanical heterogeneity into base metal, weld metal and heat affected zone, the fracture driving force of cracked girth welds have been studied numerically with variation of weld matching property, weld width and soft zone...
Proceedings Papers

Paper presented at the CORROSION 2013, March 17–21, 2013
Paper Number: NACE-2013-2460
... and porosity and a subsequent degradation of mechanical properties, including toughness and fatigue. However, titanium has been successfully welded by most types of gas-shielded welding processes, including GTAW (gas tungsten arc welding), GMAW (gas metal arc welding) and PAW (plasma arc welding), as well...

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