27 / 50
A D V A N C E D
M A T E R I A L S
&
P R O C E S S E S |
A P R I L
2 0 1 5
2 7
Fig. 5 —
SEM fracture surface of bracket showing a mixed fracture mode of shear dimples and
transgranular cleavage. Deformation lines (river pattern) on the cleavage surface of crystals are
marked by red arrows. Mag: 6000×.
3. V.K. Lakshmanan and J.S. Kirkaldy,
Solubility Product for NbC in Austenite
,
Metall. Trans. A
, ASM International,
Vol 15A, p 541, 1984.
4. P.D. Hodgson R.K. Gibbs, A Mathe-
matical Model to Predict the Mechan-
ical Properties of the Hot Rolled C-Mn
and Microalloyed Steels,
ISIJ Intl.
,
Vol 32, p 1329, 1992.
5. W. Roberts,
Proc. Intl. Conf. on HSLA
Steels: Technology and Applications
,
ASM International, p 33, 1983.
6. P.A. Manohar, Grain Growth and
Continuous Cooling Transformation
Behavior of Austenite in Microalloyed
Steels Containing Ti, Nb, Mn and Mo,
Ph.D. Thesis, University of Wollongong,
Australia, 1997.
www.usasymposium.com/Nsmms www.usasymposium.com/cRasTE • Additive Manufacturing • Ground Testing & Diagnostics for Materials Screening • Hypersonics • Innovations in Materials • Missiles & Missile Defense • Pico/Nano Orbital & Sub-Orbital Concepts and Capabilities from Small Launch Vehicles to High Altitude Balloons • Planetary Orbit and Exploration Technologies • Range & Ground Operations • Reducing Cost, Increasing Safety • Small-Sat Development: Guidance Communication, Propulsion, In-Orbit Testing, Environment Qualification • Space Access & Propulsion • Space Materials Experiments, Modeling & Simulation NSMMS and CRASTE bring together technologists, users, and decision makers to discuss key technology issues related to space, missile, and hypersonic systems and a variety of ground-breaking commercial space topics necessary for our Country’s defense and research and development pursuits. Topics include: Extensometers Strain measurement for materials testing Compatible with all major test systems • Measuring ranges from 1% to 2000% strain • Gauge lengths from 0.125 to 10+ inches (3 to 250+ mm) • Temperature ranges from -265 to 1600°C • Laser extensometers 3975 South Highway 89 Jackson, WY 83001 USA 307 733-8360 www.epsilontech.com Over 30 models to cover all common tests ISO 170252013.15 AMP Dir b&w ad_2002.02 ad 1/2/14 10:41 AM Page 1