| nr |
titel |
auteur |
tijdschrift |
jaar |
jaarg. |
afl. |
pagina('s) |
type |
| 1 |
Acoustic emission from deformed magnesium alloy based composites
|
Trojanová, Z.
|
|
2011
|
528 |
6 |
p. 2479-2483
5 p.
|
artikel
|
| 2 |
Anisotropic and tensile flow behaviors of Mg alloy AZ31B thin sheet in H24 condition at elevated temperatures
|
Wu, Horng-yu
|
|
2011
|
528 |
6 |
p. 2522-2531
10 p.
|
artikel
|
| 3 |
A novel approach for producing polymer nanocomposites by in-situ dispersion of clay particles via friction stir processing
|
Barmouz, Mohsen
|
|
2011
|
528 |
6 |
p. 3003-3006
4 p.
|
artikel
|
| 4 |
Application of X-ray microtomography to analysis of cavitation in AZ61 magnesium alloy during hot deformation
|
Rashed, H.M.M.A.
|
|
2011
|
528 |
6 |
p. 2610-2619
10 p.
|
artikel
|
| 5 |
A screw dislocation interacting with a coated nano-inhomogeneity incorporating interface stress
|
Ou, Z.Y.
|
|
2011
|
528 |
6 |
p. 2762-2775
14 p.
|
artikel
|
| 6 |
A study of the properties of mesophase-pitch-based foam/graphitized carbon black composites
|
Li, Wan Qian
|
|
2011
|
528 |
6 |
p. 2999-3002
4 p.
|
artikel
|
| 7 |
Author Index
|
|
|
2011
|
528 |
6 |
p. 3015-3018
4 p.
|
artikel
|
| 8 |
Bulk gold with hierarchical macro-, micro- and nano-porosity
|
Cox, Marie E.
|
|
2011
|
528 |
6 |
p. 2401-2406
6 p.
|
artikel
|
| 9 |
Characterization of AZ91/alumina nanocomposite produced by FSP
|
Faraji, Ghader
|
|
2011
|
528 |
6 |
p. 2431-2440
10 p.
|
artikel
|
| 10 |
Characterization of porous, net-shaped NiTi alloy regarding its damping and energy-absorbing capacity
|
Köhl, M.
|
|
2011
|
528 |
6 |
p. 2454-2462
9 p.
|
artikel
|
| 11 |
Cold cracking in DC-cast high strength aluminum alloy ingots: An intrinsic problem intensified by casting process parameters
|
Lalpoor, M.
|
|
2011
|
528 |
6 |
p. 2831-2842
12 p.
|
artikel
|
| 12 |
Comparison of compressive deformation and fracture behaviors of Zr- and Ti-based metallic glasses with notches
|
Zhao, J.X.
|
|
2011
|
528 |
6 |
p. 2967-2973
7 p.
|
artikel
|
| 13 |
Compressive behavior of closed-cell aluminum alloy foams at medium strain rates
|
Wang, Zhihua
|
|
2011
|
528 |
6 |
p. 2326-2330
5 p.
|
artikel
|
| 14 |
Constitutive description of a low C-Mn steel deformed under hot-working conditions
|
Puchi-Cabrera, E.S.
|
|
2011
|
528 |
6 |
p. 2843-2858
16 p.
|
artikel
|
| 15 |
Corrigendum to “Hot working behavior of 2205 austenite–ferrite duplex stainless steel characterized by constitutive equations and processing maps” [Mater. Sci. Eng. A 528 (2011) 1448–1454]
|
Momeni, A.
|
|
2011
|
528 |
6 |
p. 3014-
1 p.
|
artikel
|
| 16 |
Deformation mechanisms of a modified 316L austenitic steel subjected to high pressure torsion
|
Scheriau, S.
|
|
2011
|
528 |
6 |
p. 2776-2786
11 p.
|
artikel
|
| 17 |
Development and characterisation of C–Mn–Al–Si–Nb TRIP aided steel
|
Bhattacharyya, Tanmay
|
|
2011
|
528 |
6 |
p. 2394-2400
7 p.
|
artikel
|
| 18 |
Dominant factor controlling the fracture mode in nanostructured Cu/Cr multilayer films
|
Zhang, J.Y.
|
|
2011
|
528 |
6 |
p. 2982-2987
6 p.
|
artikel
|
| 19 |
Editorial Board
|
|
|
2011
|
528 |
6 |
p. CO2-
1 p.
|
artikel
|
| 20 |
Effect of aging on the fracture mechanics of unsaturated polyester based on recycled PET polymer concrete
|
Reis, J.M.L.
|
|
2011
|
528 |
6 |
p. 3007-3009
3 p.
|
artikel
|
| 21 |
Effect of annealing treatment on mechanical properties of a ZrB2–SiC–graphite ceramic
|
Zhi, Wang
|
|
2011
|
528 |
6 |
p. 2870-2874
5 p.
|
artikel
|
| 22 |
Effect of austenite microstructure and cooling rate on transformation characteristics in a low carbon Nb–V microalloyed steel
|
Olasolo, M.
|
|
2011
|
528 |
6 |
p. 2559-2569
11 p.
|
artikel
|
| 23 |
Effect of coal tar pitch modified by sulfur as a binder on the mechanical and tribological properties of bronze-impregnated carbon-matrix composites
|
Yang, Huijun
|
|
2011
|
528 |
6 |
p. 2929-2935
7 p.
|
artikel
|
| 24 |
Effect of commercial purity levels on the mechanical properties of ultrafine-grained titanium
|
Purcek, G.
|
|
2011
|
528 |
6 |
p. 2303-2308
6 p.
|
artikel
|
| 25 |
Effect of electric current on the creep deformation of lead
|
Chen, Rong
|
|
2011
|
528 |
6 |
p. 2319-2325
7 p.
|
artikel
|
| 26 |
Effect of frequency on fatigue crack growth behavior of magnesium alloy AZ61 under immersed 3.5mass% NaCl environment
|
Rozali, Shaifulazuar
|
|
2011
|
528 |
6 |
p. 2509-2516
8 p.
|
artikel
|
| 27 |
Effect of homogenization on microstructures and mechanical properties of hot compressed Mg–9Al–1Zn alloy
|
Xu, S.W.
|
|
2011
|
528 |
6 |
p. 2385-2393
9 p.
|
artikel
|
| 28 |
Effect of initial imbibed moisture content on flexural fatigue behavior of polyamide 66/hectorite nanocomposites at laboratory condition
|
Timmaraju, Mallina Venkata
|
|
2011
|
528 |
6 |
p. 2960-2966
7 p.
|
artikel
|
| 29 |
Effect of initial texture on dynamic recrystallization of AZ31 Mg alloy during hot rolling
|
Wang, Maoyin
|
|
2011
|
528 |
6 |
p. 2941-2951
11 p.
|
artikel
|
| 30 |
Effect of laser–arc hybrid welding on fracture and corrosion behaviour of AA6061-T6 alloy
|
Zhang, Da-Quan
|
|
2011
|
528 |
6 |
p. 2748-2754
7 p.
|
artikel
|
| 31 |
Effect of laser shock processing on the fatigue crack initiation and propagation of 7050-T7451 aluminum alloy
|
Ren, X.D.
|
|
2011
|
528 |
6 |
p. 2899-2903
5 p.
|
artikel
|
| 32 |
Effect of MgO content on the microstructure and mechanical properties of Fe–Cr–Ni/MgO composites produced by reactive hot pressing
|
Chen, Chang
|
|
2011
|
528 |
6 |
p. 2995-2998
4 p.
|
artikel
|
| 33 |
Effect of microstructure on non-linear behavior of ultrasound during low cycle fatigue of pearlitic steels
|
Palit Sagar, S.
|
|
2011
|
528 |
6 |
p. 2895-2898
4 p.
|
artikel
|
| 34 |
Effect of microstructures and texture development on tensile properties of Mg–10Gd–3Y alloy
|
Liu, W.C.
|
|
2011
|
528 |
6 |
p. 2250-2258
9 p.
|
artikel
|
| 35 |
Effect of Ni content on the tensile properties and strain-induced martensite transformation for 304 stainless steel
|
Ryoo, Do-Yeal
|
|
2011
|
528 |
6 |
p. 2277-2281
5 p.
|
artikel
|
| 36 |
Effect of NiCr and NiCrAl coatings on the creep resistance of a Ni alloy
|
Zhang, X.C.
|
|
2011
|
528 |
6 |
p. 2282-2287
6 p.
|
artikel
|
| 37 |
Effect of organoclay platelets on morphology and properties of LLDPE/EMA blends
|
Borah, J.S.
|
|
2011
|
528 |
6 |
p. 2820-2830
11 p.
|
artikel
|
| 38 |
Effect of orientation on self-organization of shear bands in 7075 aluminum alloy
|
Yang, Y.
|
|
2011
|
528 |
6 |
p. 2446-2453
8 p.
|
artikel
|
| 39 |
Effect of reactant Ti/B4C ratio on the stoichiometry and mechanical properties of h-BN–Ti(C,N) prepared by combustion synthesis
|
Li, Hongbo
|
|
2011
|
528 |
6 |
p. 2380-2384
5 p.
|
artikel
|
| 40 |
Effect of stress on μ phase formation in single crystal superalloys
|
Cheng, KuiYu
|
|
2011
|
528 |
6 |
p. 2704-2710
7 p.
|
artikel
|
| 41 |
Effect of thermal exposure on the stability of carbides in Ni–Cr–W based superalloy
|
Bai, Guanghai
|
|
2011
|
528 |
6 |
p. 2339-2344
6 p.
|
artikel
|
| 42 |
Effect of tool geometry and process condition on static strength of a magnesium friction stir lap linear weld
|
Yang, Q.
|
|
2011
|
528 |
6 |
p. 2463-2478
16 p.
|
artikel
|
| 43 |
Effects of Al addition on deformation and fracture mechanisms in two high manganese TWIP steels
|
Chin, Kwang-Geun
|
|
2011
|
528 |
6 |
p. 2922-2928
7 p.
|
artikel
|
| 44 |
Effects of heat treatments on the microstructure and mechanical properties of a 6061 aluminium alloy
|
Maisonnette, D.
|
|
2011
|
528 |
6 |
p. 2718-2724
7 p.
|
artikel
|
| 45 |
Encapsulated Zr-based bulk metallic glass with large plasticity
|
Chen, Wen
|
|
2011
|
528 |
6 |
p. 2988-2994
7 p.
|
artikel
|
| 46 |
Enhanced very high cycle fatigue performance of extruded Mg–12Gd–3Y–0.5Zr magnesium alloy
|
Yang, F.
|
|
2011
|
528 |
6 |
p. 2231-2238
8 p.
|
artikel
|
| 47 |
Experiment and simulation on the thermal instability of a heavily deformed Cu–Fe composite
|
Qu, Lei
|
|
2011
|
528 |
6 |
p. 2532-2537
6 p.
|
artikel
|
| 48 |
Fabrication of pure SiC ceramic foams using SiO2 as a foaming agent via high-temperature recrystallization
|
Liu, Guangliang
|
|
2011
|
528 |
6 |
p. 2418-2422
5 p.
|
artikel
|
| 49 |
Fabrication of tungsten-based metallic glasses by low purity industrial raw materials
|
Suo, Z.Y.
|
|
2011
|
528 |
6 |
p. 2912-2916
5 p.
|
artikel
|
| 50 |
Fatigue and cyclic creep of replicated microcellular aluminium
|
Soubielle, Sébastien
|
|
2011
|
528 |
6 |
p. 2657-2663
7 p.
|
artikel
|
| 51 |
Fatigue characterization and modeling of 30CrNiMo8HH under multiaxial loading
|
Noban, M.
|
|
2011
|
528 |
6 |
p. 2484-2494
11 p.
|
artikel
|
| 52 |
Fatigue crack growth behavior of the simulated HAZ of 800MPa grade high-performance steel
|
Kim, Sanghoon
|
|
2011
|
528 |
6 |
p. 2331-2338
8 p.
|
artikel
|
| 53 |
Formability and failure mechanisms of AA2024 under hot forming conditions
|
Wang, L.
|
|
2011
|
528 |
6 |
p. 2648-2656
9 p.
|
artikel
|
| 54 |
Formation of ultrafine grained microstructure in the austenitic stainless steel and its impact on tensile properties
|
Ravi Kumar, B.
|
|
2011
|
528 |
6 |
p. 2209-2216
8 p.
|
artikel
|
| 55 |
Grain boundary microstructure and fatigue crack growth in Allvac 718Plus superalloy
|
Viskari, L.
|
|
2011
|
528 |
6 |
p. 2570-2580
11 p.
|
artikel
|
| 56 |
Hierarchical microstructure of explosive joints: Example of titanium to steel cladding
|
Song, J.
|
|
2011
|
528 |
6 |
p. 2641-2647
7 p.
|
artikel
|
| 57 |
High strain rate characteristics of 3-3 metal–ceramic interpenetrating composites
|
Chang, Hong
|
|
2011
|
528 |
6 |
p. 2239-2245
7 p.
|
artikel
|
| 58 |
High temperature oxidation interfacial growth kinetics in YSZ thermal barrier coatings with bond coatings of NiCoCrAlY with 0.25% Hf
|
Soboyejo, W.O.
|
|
2011
|
528 |
6 |
p. 2223-2230
8 p.
|
artikel
|
| 59 |
Influence of mechanical surface treatments on the high cycle fatigue performance of TIMETAL 54M
|
Zay, K.
|
|
2011
|
528 |
6 |
p. 2554-2558
5 p.
|
artikel
|
| 60 |
Influence of the microstructure on the plastic behaviour of duplex stainless steels
|
Jorge Júnior, Alberto Moreira
|
|
2011
|
528 |
6 |
p. 2259-2264
6 p.
|
artikel
|
| 61 |
In situ observations on shear and creep–fatigue fracture behaviors of SnBi/Cu solder joints
|
Zhang, Q.K.
|
|
2011
|
528 |
6 |
p. 2686-2693
8 p.
|
artikel
|
| 62 |
In situ TiC particles reinforced Ti6Al4V matrix composite with a network reinforcement architecture
|
Huang, L.J.
|
|
2011
|
528 |
6 |
p. 2859-2862
4 p.
|
artikel
|
| 63 |
Low-temperature spark plasma sintering of NiO nanoparticles
|
Chaim, Rachman
|
|
2011
|
528 |
6 |
p. 2936-2940
5 p.
|
artikel
|
| 64 |
Mechanical properties of friction stir butt welds of high nitrogen-containing austenitic stainless steel
|
Miyano, Yasuyuki
|
|
2011
|
528 |
6 |
p. 2917-2921
5 p.
|
artikel
|
| 65 |
Mechanical testing of titanium/aluminium–silicon interface: Effect of T6 heat treatment
|
Dezellus, O.
|
|
2011
|
528 |
6 |
p. 2795-2803
9 p.
|
artikel
|
| 66 |
Microstructural analysis of friction stir welded ferritic stainless steel
|
Cho, Hoon-Hwe
|
|
2011
|
528 |
6 |
p. 2889-2894
6 p.
|
artikel
|
| 67 |
Microstructural characterization and evolution mechanism of adiabatic shear band in a near beta-Ti alloy
|
Yang, Y.
|
|
2011
|
528 |
6 |
p. 2787-2794
8 p.
|
artikel
|
| 68 |
Microstructural evolution of AISI 4340 steel during Direct Metal Deposition process
|
Bhattacharya, S.
|
|
2011
|
528 |
6 |
p. 2309-2318
10 p.
|
artikel
|
| 69 |
Microstructural evolution of copper clad steel bimetallic wire
|
Sasaki, T.T.
|
|
2011
|
528 |
6 |
p. 2974-2981
8 p.
|
artikel
|
| 70 |
Microstructural refinement and tensile properties enhancement of Mg–3Al alloy using charcoal additions
|
Suresh, M.
|
|
2011
|
528 |
6 |
p. 2502-2508
7 p.
|
artikel
|
| 71 |
Microstructure and mechanical properties of Ti-based solid-solution cermets
|
Kim, Jiwoong
|
|
2011
|
528 |
6 |
p. 2517-2521
5 p.
|
artikel
|
| 72 |
Microstructure development and hardening during high pressure torsion of commercially pure aluminium: Strain reversal experiments and a dislocation based model
|
Zhang, Jiuwen
|
|
2011
|
528 |
6 |
p. 2581-2591
11 p.
|
artikel
|
| 73 |
Microstructure development in hot deformed AA6082
|
Poletti, C.
|
|
2011
|
528 |
6 |
p. 2423-2430
8 p.
|
artikel
|
| 74 |
Microstructure evolution of the transitional region in isothermal local loading of TA15 titanium alloy
|
Fan, X.G.
|
|
2011
|
528 |
6 |
p. 2694-2703
10 p.
|
artikel
|
| 75 |
Microstructure, mechanical properties and reaction mechanism of KD-1 SiCf/SiC composites fabricated by chemical vapor infiltration and vapor silicon infiltration
|
Honglei, Wang
|
|
2011
|
528 |
6 |
p. 2441-2445
5 p.
|
artikel
|
| 76 |
Microstructure modifications induced by a laser surface treatment in an AA7449 aluminium alloy
|
Fribourg, G.
|
|
2011
|
528 |
6 |
p. 2736-2747
12 p.
|
artikel
|
| 77 |
Microstructure optimization of austenitic Alloy 800H (Fe–21Cr–32Ni)
|
Tan, L.
|
|
2011
|
528 |
6 |
p. 2755-2761
7 p.
|
artikel
|
| 78 |
Microstructures and mechanical properties of heat-resistant HPDC Mg–4Al-based alloys containing cheap misch metal
|
Zhang, Jinghuai
|
|
2011
|
528 |
6 |
p. 2670-2677
8 p.
|
artikel
|
| 79 |
Microstructure, thermal behavior and mechanical properties of squeeze cast SiC, ZrO2 or C reinforced ZA27 composites
|
El-khair, M.T. Abou
|
|
2011
|
528 |
6 |
p. 2353-2362
10 p.
|
artikel
|
| 80 |
Microtwin formation in the α phase of duplex titanium alloys affected by strain rate
|
Lin, Yi-Hsiang
|
|
2011
|
528 |
6 |
p. 2271-2276
6 p.
|
artikel
|
| 81 |
Modeling of the microstructure variables in the isothermal compression of TC11 alloy using fuzzy neural networks
|
Li, M.Q.
|
|
2011
|
528 |
6 |
p. 2265-2270
6 p.
|
artikel
|
| 82 |
Necking and fracture of advanced high strength steels
|
Nikhare, C.
|
|
2011
|
528 |
6 |
p. 3010-3013
4 p.
|
artikel
|
| 83 |
Numerical simulation of γ/γ′ microstructural evolutions induced by TCP-phase in the MC2 nickel base single crystal superalloy
|
le Graverend, J.-B.
|
|
2011
|
528 |
6 |
p. 2620-2634
15 p.
|
artikel
|
| 84 |
On crystallization of polypropylene on atomically flat silicate substrate and relationship to mechanical properties
|
Huang, H.Z.
|
|
2011
|
528 |
6 |
p. 2812-2819
8 p.
|
artikel
|
| 85 |
On strain-induced dissolution of θ′ and θ particles in Al–Cu binary alloy during equal channel angular pressing
|
Liu, Zhiyi
|
|
2011
|
528 |
6 |
p. 2217-2222
6 p.
|
artikel
|
| 86 |
On the volume change in Co–Ni–Al during pseudoelasticity
|
Dilibal, S.
|
|
2011
|
528 |
6 |
p. 2875-2881
7 p.
|
artikel
|
| 87 |
Parametric study of stress state development during twinning using 3D finite element modeling
|
Zhang, Richard Y.
|
|
2011
|
528 |
6 |
p. 2725-2735
11 p.
|
artikel
|
| 88 |
Preparation and properties of nano-SiC strengthening Al2O3 composite ceramics
|
Shi, Xiaolei
|
|
2011
|
528 |
6 |
p. 2246-2249
4 p.
|
artikel
|
| 89 |
Recycling of high grade die casting AM series magnesium scrap with the melt conditioned high pressure die casting (MC-HPDC) process
|
Tzamtzis, S.
|
|
2011
|
528 |
6 |
p. 2664-2669
6 p.
|
artikel
|
| 90 |
Refinement of microstructure and improvement of mechanical properties of Al/Al2O3 cast composite by accumulative roll bonding process
|
Amirkhanlou, Sajjad
|
|
2011
|
528 |
6 |
p. 2548-2553
6 p.
|
artikel
|
| 91 |
Residual stresses in laser direct metal deposited Waspaloy
|
Moat, R.J.
|
|
2011
|
528 |
6 |
p. 2288-2298
11 p.
|
artikel
|
| 92 |
Reversible nature of shear bands in copper single crystals subjected to iterative shear of ECAP in forward and reverse directions
|
Miyamoto, Hiroyuki
|
|
2011
|
528 |
6 |
p. 2602-2609
8 p.
|
artikel
|
| 93 |
Role of samarium additions on the shape memory behavior of iron based alloys
|
Shakoor, R.A.
|
|
2011
|
528 |
6 |
p. 2299-2302
4 p.
|
artikel
|
| 94 |
Shear deformation behavior of a Sn–3Ag–0.5Cu single solder ball at intermediate strain rates
|
Joo, Se-Min
|
|
2011
|
528 |
6 |
p. 2711-2717
7 p.
|
artikel
|
| 95 |
Si content dependence on shape memory and tensile properties in Fe–Mn–Si–C alloys
|
Koyama, M.
|
|
2011
|
528 |
6 |
p. 2882-2888
7 p.
|
artikel
|
| 96 |
Significant improvement of semi-solid microstructure and mechanical properties of A356 alloy by ARB process
|
Jamaati, Roohollah
|
|
2011
|
528 |
6 |
p. 2495-2501
7 p.
|
artikel
|
| 97 |
Spark plasma sintered tantalum carbide–carbon nanotube composite: Effect of pressure, carbon nanotube length and dispersion technique on microstructure and mechanical properties
|
Bakshi, Srinivasa R.
|
|
2011
|
528 |
6 |
p. 2538-2547
10 p.
|
artikel
|
| 98 |
Strain sensing behavior of electrically conductive fibers under large deformation
|
Wang, J.P.
|
|
2011
|
528 |
6 |
p. 2863-2869
7 p.
|
artikel
|
| 99 |
Strength and pore morphology of porous aluminum and porous copper with directional pores deformed by equal channel angular extrusion
|
Kim, T.B.
|
|
2011
|
528 |
6 |
p. 2363-2369
7 p.
|
artikel
|
| 100 |
Strengthening and toughening of aluminum by single-walled carbon nanotubes
|
Choi, H.J.
|
|
2011
|
528 |
6 |
p. 2412-2417
6 p.
|
artikel
|
| 101 |
Subject Index
|
|
|
2011
|
528 |
6 |
p. 3019-3029
11 p.
|
artikel
|
| 102 |
Surface modifications induced by shot peening and their effect on the plane bending fatigue strength of a Cr–Mo steel produced by powder metallurgy
|
Molinari, A.
|
|
2011
|
528 |
6 |
p. 2904-2911
8 p.
|
artikel
|
| 103 |
Synthesis and mechanical properties of high-purity Cr2AlC ceramic
|
Ying, Guobing
|
|
2011
|
528 |
6 |
p. 2635-2640
6 p.
|
artikel
|
| 104 |
Tensile properties and thermal stability of ZnO-coated aluminum borate whiskers reinforced 2024Al composite
|
Yue, H.Y.
|
|
2011
|
528 |
6 |
p. 2407-2411
5 p.
|
artikel
|
| 105 |
The bonding of nickel foam to Ti–6Al–4V using Ti–Cu–Ni braze alloy
|
Jarvis, T.
|
|
2011
|
528 |
6 |
p. 2592-2601
10 p.
|
artikel
|
| 106 |
The effect of microstructure on tensile properties, deformation mechanisms and fracture models of TG6 high temperature titanium alloy
|
Wang, Tao
|
|
2011
|
528 |
6 |
p. 2370-2379
10 p.
|
artikel
|
| 107 |
The mechanism of elevated temperature intergranular cracking in heat-resistant alloys
|
Heo, N.H.
|
|
2011
|
528 |
6 |
p. 2678-2685
8 p.
|
artikel
|
| 108 |
The preparation and performance of a novel room-temperature-cured heat-resistant adhesive for ceramic bonding
|
Zhang, Jiangsong
|
|
2011
|
528 |
6 |
p. 2952-2959
8 p.
|
artikel
|
| 109 |
Thermomechanical characterization of P/M Ti–Fe–Mo–Y alloy with a fine lamellar microstructure
|
Liu, B.
|
|
2011
|
528 |
6 |
p. 2345-2352
8 p.
|
artikel
|
| 110 |
Unification of the most commonly used time–temperature creep parameters
|
Šeruga, Domen
|
|
2011
|
528 |
6 |
p. 2804-2811
8 p.
|
artikel
|
Tijdschrift beschrijving