Steel Wires

Random bits of information about Steel wires.

There is a patent on using Scifer in composite structures, where about 10% metal fibres are added. “Carbon fiber prepreg and carbon fiber reinforced resin composite, US Patent Issued on September 6, 1994” Inventor(s), Shouaki Ide, Akira Shimamoto, Toshiaki Yutori, Masahiko Uchimura. Patent No. 30264 filed on 1993-04-05

There is a 2001 paper about dissolution of cementite during drawing of pearlitic wire. K. Honoa, M. Ohnumaa, M. Murayamaa, S. Nishidaa, A. Yoshieb and T. Takahashia, Scripta Materialia
Volume 44, Issue 6 , 1 April 2001, Pages 977-983. “Cementite decomposition in heavily drawn pearlite steel wire”


Press release about uses of Scifer from find

Kobe Steel starts ultrafine ‘scifer’ wire R&D – research and development
American Metal Market, April 5, 1991 by Minoru Inaba
Find More Results for: “scifer steel ”
Kobe’s superfine wire…
Japanese steelmakers…

Kobe Steel starts ultrafine ‘scifer’ wire R&D

TOKYO — Kobe Steel Co. Ltd. has begun research efforts involving unidentified U.S. and Japanese companies to develop industrial applications for a family of patended ultrafine “scifer” steel wires ranging from 15 to 100 microns in diameter.

Despite the fact that they are as fine as spider thread (7 to 8 microns) and human hair (70 to 80 microns), the scifer wires, according to Kobe executives, have a tensile strength twice as great as that of piano wire and an elasticity three times as great as aramid fiber.

Shunji Omae, deputy general manager of steel wire rod and bar sales at Kobe, said the company and local customers have found commercial fine wires in sports equipment, such as fishing wire, golf clubs and skis.

He said Kobe recently began joint efforts in the United State and Japan to cultivate industrial applications for the wires, including computers, communications, aircraft and medical uses.

The scifer wire is said to be composed of 97 percent steel, 2.9 percent silicon and manganese and 0.1 percent carbon. The material is available for 43 cents per kilogram.

After a “special” heat-treatment process that Kobe calls the key step needed to make scifer wire, the steel becomes a ferrite-matrix composite containing martensite. The grain size is said to be 20 angstroms in diameter, or one-5,000th that of ordinary steel.

The heat-treated wire can be drawn out of its final form by a factor of 10,000, Omae said.

Kobe rated 25-micron scifer wire at 475 [kgf/mm.sup.2] in tensile strength, 20,000 [kgf/mm.2] in elastic modulus, 4 percent in elongation and 53 percent in reduction of area.

The 100-micron scifer was rated at 400 [kgf/mm.2] in tensile strength, 20,000 [kgf/mm.2] in elastic modulus, 4.5 percent in elongation and 55 percent in reduction of area.

In short, Omae said, the ultrafine wires are strong and, at the same time, elastic.

Kobe is offering them in the form of straight wires, plated wires with some conductive characteristics, twisted cables and as an extra reinforcement in fiber-reinforced plastic and fiber-reinforced rubber.

Fishing rod maker Daiwa Seiko has put on sale a fishing wire consisting of two 7-to-16-micron scifer wires twisted together.

Golf club maker Homma is producing wood clubs that take advantage of the scifer wire’s good elasticity to give the clubs good control in addition to ball-carrying strength. Scifer clubs are priced at $719 to $2,156 apiece.

Before the next winter season, ski maker Ogasaka will introduce scifer skis said to be just as elastic or smooth as glass-fiber skis and yet much superior in responsiveness and shock absorption. Scifer skis will sell for $783 per set.

Saying scifer wire might be following a similar path taken by carbon-reinforced plastics in terms of development of applications, Kobe’s Omae said he was hoping to see a wide variety of industrial applications develop for the ultrafine wires.

Possible applications, some of which were said to be actually pursued jointly with American and Japanese customers, include plated wires for supercomputers, communications wires, high-frequency applications, precision springs, probes and extra reinforcement for carbon-reinforced plastics.

COPYRIGHT 1991 Reed Business Information
COPYRIGHT 2004 Gale Group


Corus Symposium

On 11th-12th April 2007 I attented the first annual Corus-Academia Symposium, which was held at a previous residence of mine, Tapton Hall in Sheffield.

It was really good to see this event being organised by Corus, bringing together many of the students they sponsor and research staff from academia and industrial researchers. I would recommend any company in a similar situation to organise a similar event – I think it succeeded in benefiting both the students and the company. The conference was held over two days, starting at 11 am and ending at 2 pm. This gave time to travel to and from Sheffield without too much trouble, or atleast it wasn’t too difficult to get there and back on the train from Cambridge.

There were 18 oral presentations were made in 4 sessions and around 30 posters presented.

Lecture at Corus Syposium
Click to see more photographs

The poster I presented at the symposium was based on my phd work, titled Bulk Nanocrystalline Steel. During presentation of the best poster award, the first thing that one of the organisers said is that the poster should have the name of the author, and sponsors, so I don’t think they were impressed by my attempt to comunicate only the important information. Probably to keep this style I should have had another small sign with my name and photograph on it, however my name was in the progamme, and Corus should know who in their company is working on what projects. One thing that did upset me is that I thought I would be able to stand next too my poster to talk to anyone who was interested during the poster sessions, this was overly optimistic, and made difficult by the layout of the poster stands. I did manage to talk to a few people about my work, I think the poster atleast succeeded in being a good starting point for a discusison.

Conference Programme

Wednesday IIth April
11:00 Registration desk open Tea / coffee Loading of oral presentations and erection of posters
12:00 POSTER SESSION in dining hall with buffet lunch
Chair Prof. Rob Boom
13:00 SESSION 1
• Welcome / Corus Prof. Rob Boom
• Welcome/Sheffield Prof Mark Rainforth
• Strain induced precipitation in multipass rolling Vishwa Nagarajan
• Internal stresses in steels Ellie Clarke
• Development of bimodal grain sizes in TMCR Debalay Chakrabarty

• Microstructure & toughness of high strength, hot rolled strip steels Eric Maina
• An application of Kinetic Monte Carlo techniques in the modelling of strain ageing
Alex Gator
• Damage evolution in Free Cutting Steels Alistair Foster
15:30 Tea & Coffee, conservatory
16:00 SESSION 2 Chair Dr Peter Morris
• The non-contact ultrasonic inspection of hot, moving steel Iain Baillie
• Ultrasonic measurement of liquid steel cleanness Alex Currie
• Acoustic diagnostics in a hot strip mill David Murray
• What non-contact sensors can offer to the steel industry in terms of material characterisation Dr Claire Davis
17:30 Close
19:00 Bar
19:30 Dinner

Thursday I2th April
09:00 SESSIONS Chair Prof Andy Howe
• Overview of Corus research at NIMR Dr Rene Duursma
• Rapid testing of organic coating degradation using FTIR Jen Wray
• Flame-assisted CVD Paul Youngson
• Fine-scale mapping for environmental analysis Kevin Jackson
10:30 POSTER SESSION in dining hall with tea/coffee
11:20 SESSION 4 Chair Dr Tony Jones
• A hot strip mill work roll temperature model Daniel White
• The performance on non-sharp defects in service Anthony Horn
• Characterisation of connection mechanisms within road safety barriers Andrew Bayton
• Behaviour of composite structures during the cooling phase of a fire Charlotte Roben
• Symposium wrap-up Dr Tony Jones
13:00 Buffet Lunch & prizes
14:00 Close / Posters down

POSTERS: Wednesday 11*, 12-13:00, and Thursday 12th, 10:30-11:20
Iain Baillie, Corus/Warwick: The non-contact ultrasonic inspection of hot, moving steel
Arghya Deys, Sheffield: The Interactions of Zirconia Particles and other Inclusions of Liquid Steel with Zirconia Based SEN Walls
Tim Evans, Birmingham: Concentrations of PCBs and Chiral signatures of matched air and soil samples on a global scale
Xinjiang Hao, Birmingham: Multi-frequency electromagnetic sensors for the measurement of microstructure
Andrey Kostryzhev, B’ham: Role of precipitates on Bauschinger effect in large diameter
steel pipe processing
Huan Li, Birmingham: Modelling of mechanical property and damage recovery for a
pipe steel in annealing process
Ed Marsden, Corus/Sheffield: Thermal neutron detectors for security applications
Glyn Martin, Swansea: Factors influencing the long term durability of coated products in worldwide climates
Mayorkinos Papaelios, B’ham: Rail research at the University of Birmingham
Mathew Peet, Cambridge: Tempering of Low temperature Bainite
John Pillai, Greenwich: Results from plant trails to evaluate on-line wall friction tester
Mark Potter, Warwick Ultrasonic texture measurement of strip (UTMOST)
Guixiang Qin Microstructural evolution analysis on an E911 steel using the Leicester: EBSD method
Jody Turner, Sheffield Metallurgical sub-structure development in multipass rolling

Others expected :-
Yoseph Tefasse, Cranfield: Rolling system design optimisation using thermal and soft computing technique
Bin Kamal, Sheffield: Monitoring Airborne Pollution using Tree Bark –
Dmitry Borisoglebsky, C’field: Incorporation of cost modelling into process simulation
Natalie Kaniuka, Salford: Atmospheric pressure plasma CVD of SiON
Richard Wood, Cardiff: Processing routes of electrical steels
Ben Ward, Sheffield Hallam: Organic coatings based on polymer-clay nano-composites
Chris Taylor, Swansea: Analysis of run-off from coated organic steels
Stephen Essex, Warwick: Ultrasonic characterisation of texture in aluminium sheet in correlation with electron back-scatter diffraction
Yichao Fan, Warwick: Crack depth measurements using non-contact ultrasound
Ed Marsden, Corus/Sheffield: Large Area High Efficiency Neutron Detector
Stephen Turner, Cardiff: Grain-to-Grain Field and Loss Variation in Electrical Steel
Christopher Vardon, Cardiff: Domains and microstructures in electrical steel

Bronze has to surfice for Iron Lady

Prime minister Margaret Thatcher says “I may be made of iron but bronze will do.” as she is the first former prime minister to have her statue erected in parliament whilst still living.

Thatchers Bronze

I think it’s tragic that Iron wasn’t used for the statue of the iron-lady, after-all if almost pure iron had been used the statue could have been resistant to corrosion.