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# RE: [femm] Re: Metals

- To: "'femm@yahoogroups.com'" <femm@yahoogroups.com>
- Subject: RE: [femm] Re: Metals
- From: Mark Smith <mark.smith@linx.co.uk>
- Date: Thu, 21 Mar 2002 16:51:41 -0000

    If the properties of mild steel are similar to 430 stainless and you are
    interested at low H then yes heat treatment is definitely worth doing. In
    the past I have found post machining heat treatment to be necessary for high
    speed solenoid valves where calibration is done by inductance measurements.
    Mark

    -----Original Message-----
    From: Charlie Popeck [mailto:cpopeck@poweraisle.com]
    Sent: 21 March 2002 15:34
    To: femm@yahoogroups.com
    Subject: RE: [femm] Re: Metals

    Back in 1957 I worked for a company that was planning to get into high
    voltage distribution transformers for electric utilities. The idea was to
    use a wound core of something other than the conventional silicon steels and
    obtain the desired properties through an annealing process. Prototypes were
    made but the project never got off the ground. I suggest you do a patent
    search on the U.S Patent Office web site. This could possibly give you some
    insight as to what has been attempted.

    -----Original Message-----
    From: martin_siebert_timmer [mailto:siebertm@cadvision.com]
    Sent:	Wednesday, March 20, 2002 5:51 PM
    To:	femm@yahoogroups.com
    Subject:	[femm] Re: Metals

    Hi Eric,

    Heat treating with the objective to enhance magnetic properties is an
    interesting subject. One of the best references on this subject I
    have come across is:

    Ferromagnetism by Richard M. Bozorth, IEEE Press ISBN o-7803-1032-2

    It is not cheap but well worth it! You can order it online if I am
    not mistaken - through IEEE.org

    Other than heat treating, it also deals will Alloying, Stress and
    Magnetistriction, Temperature and Curie Point to name a few. A very
    comprehensive text.

    Regards,

    Martin

    --- In femm@y..., "Eric Anderfaas" <anderfaas@r...> wrote:
    > Hi,
    >
    > I was wondering if anyone has information on how the heat treatment
    of mild
    > steel effects the magnetic properties, for example full hard 1006
    mild steel
    > sheet compared to annealed 1006 (i.e. is it worth annealing the
    steel?).
    > I've ordered a copy of "Magnetism and Metallurgy of Soft Magnetic
    > Materials" by Chen, Chih as a place to start ($10.00 used, so not
    too
    > painful!). Is this a worthwhile book? Any other recommendations?
    >
    > Thanks,
    > Eric

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