KYOCERA Develops New Hybrid Cermet Materials for Industrial Cutting Tools
November 18 2014 - 8:07AM
Business Wire
New TN620 and PV720 hybrid cermets for steel
processing offer 50% better abrasion resistance and fracture
resistance than conventional materials
Kyocera Corporation (NYSE:KYO)(TOKYO:6971) announced that it has
developed a new series of hybrid cermet materials offering a 50%*
improvement in abrasion resistance and fracture resistance over
conventional materials used as industrial cutting-tool inserts.
The new TN620 and PV720 cermet grades are ideal for a wide
variety of metal-cutting applications ranging from high-speed to
low-speed machining.
TN620 and PV720 exceed conventional materials in both hardness
and strength through proprietary material technologies, such as a
special hybrid-structure surface hardening that distributes
ultrafine particles within the cermet in a more optimal manner;
hybrid bonded phase, including special metal phase with high
melting points; and hybrid hard phase with superior compressive
stress effects. Furthermore, PV720 builds on the superior
properties of TN620 by adding MEGACOAT NANO, a multilayer coating
technology never before applied to a cermet.
These new materials expand Kyocera’s cutting-tool product line,
helping users achieve higher productivity through longer tool life
and stable processing of steel components widely used in
automobiles and industrial machinery.
Kyocera has drawn on its many years of cermet technology
development to create these new materials, which offer improved
abrasion resistance, better fracture resistance and better surface
finish quality than conventional steel-cutting tools.
Product Overview Material Name TN620
PV720 Lineup 383 insert products 383 insert products Processing
conditions Semi-finishing to fine-finishing of steel; turning
Production base Sendai Plant, Kagoshima Prefecture, Japan
Main Features
1. Special surface-hardening hybrid structure improves
abrasion resistance
Both TN620 and PV720 utilize a special graded composition to
create a surface-hardening hybrid structure, which improves both
hardness and toughness. By using tough cermet with superior
chipping resistance and thermal shock resistance for the internal
structure, and high hardness cermet for the surface structure, the
new materials achieve superior fracture and abrasion resistance, as
well as stable processing.
2. High-melting-point hybrid bonded phase ensure
higher-quality machining with improved surface finish
By creating a composite of conventional cermet and
high-melting-point metal-bonded phase, the resulting hybrid bonded
phase are highly heat resistant. This improves adhesion resistance,
chipping resistance and fracture resistance to provide a stable
machined surface of superior quality.
3. Ultrafine-particle hybrid hard phase improves
strength and fracture resistance
The new materials offer improved flexural strength by
incorporating a uniform ultrafine-particle “hybrid-hard-phase”. In
addition, high-melting-point metal binding phases increase
compressive-stress effects for better fracture resistance.
4. Proprietary MEGACOAT NANO multilayer coating
technology
The PV720 grade improves on the already strong characteristics
of TN620 by including Kyocera’s proprietary MEGACOAT NANO
multilayer coating technology. Utilized for the first time on a
cermet, MEGACOAT NANO provides outstanding abrasion and oxidation
resistance for higher-efficiency machining with superior surface
finish.
* Compared to conventional Kyocera cermet, based on research by
Kyocera.
For photos, please
visit:http://global.kyocera.com/news/2014/1101_isgi.html
About KYOCERA
Kyocera Corporation (NYSE:KYO)(TOKYO:6971)
(http://global.kyocera.com/), the parent and global headquarters of
the Kyocera Group, was founded in 1959 as a producer of fine
ceramics (also known as “advanced ceramics”). By combining these
engineered materials with metals and integrating them with other
technologies, Kyocera has become a leading supplier of cutting
tools, industrial ceramics, solar power generating systems, mobile
phones, printers, copiers, electronic components and semiconductor
packages. During the year ended March 31, 2014, the company’s net
sales totaled 1.45 trillion yen (approx. USD14.1 billion). The
company is ranked #531 on Forbes magazine’s 2014 “Global 2000”
listing of the world’s largest publicly traded companies.
KYOCERA Corporation (Japan)Judah Reynolds,
+81-(0)75-604-3416Corporate
Communicationswebmaster.pressgl@kyocera.jpFax:
+81-(0)75-604-3516
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