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Keywords: chemical composition
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Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-160
... container ship thickness chemical composition transition temperature ferrite high crack arrestability microstructure mechanical property arrestability wellbore design steel reservoir characterization metals & mining toughness acicular ferrite crack arrestability The Microstructure...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-278
..., chemical composition of SBHS is well balanced to ensure good weldability and workability while maintaining high material strength. Previous investigations on tensile strength, load carrying capacity and residual stress of SBHS500 were conducted (Hashimoto, Ono and Okada, 2013; Ono, Ishikawa, Hashimoto and...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-705
... heat input welding methods include FCB (Flux Copper Backing) multi-wire submerged arc welding, gas-electric vertical welding, electroslag welding, etc. heat input welding microstructure haz requirement ferrite chemical composition metals & mining polar icebreaker liquified natural...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-169
... characterization nodule distribution spatial reasoning chemical composition A preliminary study of the relation between topographic features and the distribution of polymetallic nodules in Japanese License Area, Central Pacific Keisuke Nishi, Akira Koizumi, Akira Tsune, and Soichiro Tanaka Deep Ocean...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-343
... flux-cored wires (FCWs) of rutile type for TS90ksi or higher class steel materials, there was the problem of remarkable deterioration in the impact toughness of weld metal after PWHT. reduction cementite toughness chemical composition precipitation steel carbide chromium class steel...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-571
... fluoride content. The developed wire of 1.6 mm diameter was tested in welding applications at a depth of 14 meters for butt-welding s355 steel plates of 10–12 mm thickness. On the basis of the thermodynamic analysis, the new chemical composition of flux-cored wire was developed. The chemical composition...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-592
... chemical composition hardness metals & mining nanocoated welding wire engineering nanotechnology artificial intelligence strength lanthanum boride nanocoated wire material science application welding wire wire feed rate nanoparticle welding wire nanocoated Study of Welding Wire...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-523
... contributes to the already severe conditions. deposition rate productivity thickness welding process steel plate welding arctic application submerged arc welding application metals & mining modification chemical composition heat input steel welding parameter hardness microhardness...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-519
... filler wire is used and compared with a conventional filler wire. The mechanical and physical properties of welding seams manufactured with the two filler wires will be tested and analyzed. hardness distribution upstream oil & gas filler wire chemical composition temperature profile...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-608
... duration is 96 hours. Therefore, the reason for this occurrence of HIC beyond 96 hours in a neutral pH sour environment needs to be investigated. oilfield chemistry hic test production chemistry hydrogen content hic property workplace hazard chemical composition h2s management specification...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-593
... fracture (Consortium of Five Japanese Companies, 1986; Machida et al, 1991; Machida et al, 1993; Nishioka et al, 1996; Kubo et al, 1998). brittle crack applicability lng storage tank duplex esso test evaluation ni-tmcp steel chemical composition gas monetization tank steel plate steel...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-682
... chemical composition ultimate strength proof strength aluminium low temperature tensile strength hydraulic fracturing thick specimen room temperature reduction factor thick plate strength alloy thickness specimen weld haz metals & mining upstream oil & gas ultimate tensile...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-634
... of Ni and Cu. The carbon equivalents are 0.35 and 0.16 for CEIIW and Pcm, respectively. The yield and tensile strength are 502 and 551 MPa, respectively, with an associated elongation at fracture of 35% and an average Charpy V toughness of 478 J at -140 C. Table 1. Steel chemical composition (wt C Si...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-369
... (Tanaka et al., 1982; Irvine et al., 1970). nbc precipitate nb content metals & mining nb steel recrystallization higher nb steel chemical composition toughness content sample high nb steel mechanical property steel austenite grain total amount strength austenite...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-687
... process which makes it possible to produce heavy thick plates from continuous casting slabs with a reduction ratio of around 2. The annihilation of cast defects can be achieved by the hot forging process before hot rolling. An appropriate chemical composition was revealed in view of the optimum...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-472
... and the chemical composition of the steel. Lath lower bainite is an area of the irregular-shaped D-phase with high dislocations concentration, which is shown in Fig. 3c. Carbide phase dispersed particles of cementite type oriented strictly parallel to each other and elongated along a direction which...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-413
... rolling and controlled cooling) and currently used high temperature processing (HTP). Just as concluded by Mr. Kozasu, a worldwide well-known expert, niobium is footstone of chemical design and metallurgy in high strength pipeline steel. chemical composition oilfield chemistry corrosion...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-340
... recrystallization arctic offshore steel chemical composition recrystallization mean flow stress thermo-mechanical control processing reduction ratio toughness ferrite flow stress grain size high mean flow stress (IIHFWV RI 5ROOLQJ 3DVV 6FKHGXOH IRU 5HFU\VWDOOL]DWLRQ %HKDYLRU LQ WKH $UFWLF 2IIVKRUH...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-773
... the size distribution illustrate that specimen 2.1 have more active and larger inclusions than specimen 3.1, while specimen 5.2.1 have highly complex inclusions in the same size range as specimen 2.1- theoretical ks orientation relationship orientation relationship chemical composition...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-836
... and base metal acted as the cathode. Weld metals have more noble chemical composition compared to the base metal; however, they showed poor corrosion characteristics than the base metal due to their non-uniform microstructure, more delta-ferrite and poor passive film properties. Passivation using 30...

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