Microstructure engineering for high productivity welding of pipeline steels
管线钢高生产率焊接的显微组织工程
基本信息
- 批准号:418771-2011
- 负责人:
- 金额:$ 9.8万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Collaborative Research and Development Grants
- 财政年份:2015
- 资助国家:加拿大
- 起止时间:2015-01-01 至 2016-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
There are currently a number of significant proposals for expansion of the North American oil and natural gas pipeline system including the Mackenzie Valley, the Alaska North Slope and Keystone XL pipelines. These projects will involve the use of new higher strength steels (X80 and X100) and new welding techniques (tandem and dual torch gas metal arc or laser hybrid) to lower construction costs. It is critical for the integrity of these pipeline systems that the welds have well understood mechanical behaviour. There are further challenges for northern pipelines due to the low temperatures and the probable melting of significant regions of permafrost. These considerations have led to new strain based design performance criteria.
This project has the objective to model the microstructure and mechanical properties of the critical region adjacent to the fusion zone, the heat affected zone (HAZ). The material in this region undergoes a complex thermal history and is usually found to be the weakest link in the system. The objectives of this project are i) to measure the temperature-time history for a number of welding procedures (gas metal arc, laser hybrid and submerged arc welding), ii) to develop microstructure evolution models for the HAZ which account for its spatial variation and iii) to examine the mechanical properties of the weld considered the HAZ as a graded structure. This will be done through a combination of experimental and modelling activities with a strong
collaboration with our partners, Evraz NA Inc. and TransCanada PipeLines Ltd.
The results from this project will be i) an increased knowledge base for the microstructure/mechanical properties in the heat affected zone for advanced steels and high productivity welding procedures, ii) transfer of this knowledge to our industry partners and iii) the education of 6 high qualified personal (2 Ph.D., 2 M.A.Sc and 2 PDFs).
目前有许多关于扩大北美石油和天然气管道系统的重要建议,包括麦肯齐山谷,阿拉斯加北坡和Keystone XL管道。这些项目将涉及使用新的更高强度钢(X80和X100)和新的焊接技术(串联和双火炬气体金属电弧或激光混合),以降低施工成本。对于这些管道系统的完整性来说,焊缝具有良好的机械性能是至关重要的。由于低温和大量永久冻土可能融化,北方管道面临进一步的挑战。这些考虑导致了新的基于应变的设计性能标准。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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{{ truncateString('Poole, WarrenJ', 18)}}的其他基金
The role of steel chemistry on the microstructure/properties in the heat affected zone for high strength linepipe
钢化学对高强度管线管热影响区显微组织/性能的作用
- 批准号:
505656-2016 - 财政年份:2017
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Microstructure/property relationships for 6xxx aluminium extrusion alloys
6xxx 铝挤压合金的微观结构/性能关系
- 批准号:
486976-2015 - 财政年份:2017
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Microstructure modeling for processing of 6xxx extrusion alloys
6xxx 挤压合金加工的微观结构建模
- 批准号:
442140-2012 - 财政年份:2016
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Microstructure/property relationships for 6xxx aluminium extrusion alloys
6xxx 铝挤压合金的微观结构/性能关系
- 批准号:
486976-2015 - 财政年份:2016
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Mechanical properties of buckled pipe materials
扣管材料的力学性能
- 批准号:
470108-2014 - 财政年份:2016
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Mechanical properties of buckled pipe materials
扣管材料的力学性能
- 批准号:
470108-2014 - 财政年份:2015
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Microstructure/property relationships for 6xxx aluminium extrusion alloys
6xxx 铝挤压合金的微观结构/性能关系
- 批准号:
486976-2015 - 财政年份:2015
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Microstructure modeling for processing of 6xxx extrusion alloys
6xxx 挤压合金加工的微观结构建模
- 批准号:
442140-2012 - 财政年份:2015
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Microstructure modeling for processing of 6xxx extrusion alloys
6xxx 挤压合金加工的微观结构建模
- 批准号:
442140-2012 - 财政年份:2014
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
Microstructure engineering for high productivity welding of pipeline steels
管线钢高生产率焊接的显微组织工程
- 批准号:
418771-2011 - 财政年份:2014
- 资助金额:
$ 9.8万 - 项目类别:
Collaborative Research and Development Grants
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