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<P align="center" style="font-size: 14pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
<FONT style="font-size: 12pt">Washington, D.C. 20549
</FONT></B>

<P align="center" style="font-size: 18pt"><B>FORM 8-K</B>

<P align="center" style="font-size: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</B>

<P align="center" style="font-size: 10pt"><B>Date of Report (Date of earliest event reported): April 14, 2009</B>

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<P align="center" style="font-size: 24pt"><B>CERADYNE, INC.<BR></B>
<FONT style="font-size: 10pt">(Exact name of registrant as specified in its charter)
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    <TD style="border-bottom: 1px solid #000000"><B>Delaware</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>000-13059</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>33-0055414</B></TD>
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<TR valign="top">
    <TD>(State or other Jurisdiction of Incorporation)</TD>
    <TD>&nbsp;</TD>
    <TD>(Commission File Number)</TD>
    <TD>&nbsp;</TD>
    <TD>(IRS Employer Identification No.)</TD>
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    <TD style="border-bottom: 1px solid #000000"><B>3169 Red Hill Avenue, Costa Mesa, CA<BR></B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>92626</B></TD>
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<TR valign="top">
    <TD>(Address of Principal Executive Offices)</TD>
    <TD>&nbsp;</TD>
    <TD>(Zip Code)</TD>
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<P align="center" style="font-size: 10pt">Registrant&#146;s telephone number, including area code: <B>(714) 549-0421</B>


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<TR>
    <TD nowrap>(Former name or former address if changed since last report.)</TD>
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<P align="left" style="font-size: 10pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions:

<P align="left" style="font-size: 10pt">
<FONT face="Wingdings">&#111;</FONT> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<BR>


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<P align="left" style="font-size: 10pt"><B>Item&nbsp;7.01 Regulation&nbsp;FD Disclosure.</B>


<P align="left" style="font-size: 10pt; text-indent: 4%">On April&nbsp;14, 2009, Ceradyne, Inc. issued a press release announcing that it has received an $8.1&nbsp;million order for
SAPI (Small Arms Protective Inserts) lightweight ceramic body armor from the U.S. Army RDECOM, Aberdeen Proving
Grounds, Maryland. A copy of this press release is being furnished as Exhibit&nbsp;99.1 to this Current Report on Form 8-K.


<P align="left" style="font-size: 10pt; text-indent: 4%">In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K,
including Exhibit&nbsp;99.1, shall not be deemed &#147;filed&#148; for the purposes of Section&nbsp;18 of the Securities Exchange Act of
1934 or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any
filing under the Securities Act of 1933.


<P align="left" style="font-size: 10pt"><B>Item&nbsp;9.01 Financial Statements and Exhibits.</B>


<P align="left" style="font-size: 10pt"><B>(d)&nbsp;Exhibits.</B>

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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B><I>Exhibit&nbsp;Number</I></B>
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    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><B><I>Description</I></B></TD>
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B><I>&nbsp;</I></B>
</DIV></TD>
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    <TD align="left" valign="top"><B><I>&nbsp;</I></B></TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B>99.1</B>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Press release of Ceradyne, Inc. dated April&nbsp;14, 2009.</TD>
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<P align="center" style="font-size: 10pt"><B>SIGNATURES</B>



<P align="left" style="font-size: 10pt; text-indent: 4%">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to
be signed on its behalf by the undersigned hereunto duly authorized.



<P align="left" style="margin-left:45%; font-size: 10pt">CERADYNE, INC.


<P align="left" style="font-size: 10pt">April&nbsp;15, 2009



<P align="left" style="margin-left:45%; font-size: 10pt; margin-top: -11pt">By: <U><B>/</B>s/ Jerrold J. Pellizzon&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
<BR>
Jerrold J. Pellizzon
<BR>
Chief Financial Officer and Secretary


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<P align="center" style="font-size: 10pt"><B>EXHIBIT INDEX</B>


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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><B><I>Exhibit&nbsp;Number</I></B>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><B><I>Description</I></B></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><BR>99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><BR>Press release of Ceradyne, Inc. dated April&nbsp;14, 2009.</TD>
</TR>
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FORM 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): April 14, 2009
CERADYNE, INC.
(Exact name of registrant as specified in its charter)
Delaware
000-13059
33-0055414
(State or other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
3169 Red Hill Avenue, Costa Mesa, CA
92626
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code:
(714) 549-0421
(Former name or former address if changed since last report.)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 7.01 Regulation FD Disclosure.
On April 14, 2009, Ceradyne, Inc. issued a press release announcing that it has received an $8.1 million order for
SAPI (Small Arms Protective Inserts) lightweight ceramic body armor from the U.S. Army RDECOM, Aberdeen Proving
Grounds, Maryland. A copy of this press release is being furnished as Exhibit 99.1 to this Current Report on Form 8-K.
In accordance with General Instruction B.2 of Form 8-K, the information in this Current Report on Form 8-K,
including Exhibit 99.1, shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of
1934 or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any
filing under the Securities Act of 1933.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.
Exhibit Number
Description
99.1
Press release of Ceradyne, Inc. dated April 14, 2009.
2
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to
be signed on its behalf by the undersigned hereunto duly authorized.
CERADYNE, INC.
April 15, 2009
By:
/
s/ Jerrold J. Pellizzon
Jerrold J. Pellizzon
Chief Financial Officer and Secretary
3
EXHIBIT INDEX
Exhibit Number
Description
99.1
Press release of Ceradyne, Inc. dated April 14, 2009.
4